BRPI0813974A8 - Mistura de polímero de enxerto - Google Patents
Mistura de polímero de enxertoInfo
- Publication number
- BRPI0813974A8 BRPI0813974A8 BRPI0813974A BRPI0813974A BRPI0813974A8 BR PI0813974 A8 BRPI0813974 A8 BR PI0813974A8 BR PI0813974 A BRPI0813974 A BR PI0813974A BR PI0813974 A BRPI0813974 A BR PI0813974A BR PI0813974 A8 BRPI0813974 A8 BR PI0813974A8
- Authority
- BR
- Brazil
- Prior art keywords
- graft
- components
- graft polymer
- polyamides
- polymer mixture
- Prior art date
Links
- 229920000578 graft copolymer Polymers 0.000 title abstract 4
- 239000000203 mixture Substances 0.000 title abstract 4
- 239000003077 lignite Substances 0.000 abstract 4
- 239000004952 Polyamide Substances 0.000 abstract 3
- 229920002647 polyamide Polymers 0.000 abstract 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 abstract 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 2
- 108010076119 Caseins Proteins 0.000 abstract 1
- 102000008186 Collagen Human genes 0.000 abstract 1
- 108010035532 Collagen Proteins 0.000 abstract 1
- 108010010803 Gelatin Proteins 0.000 abstract 1
- 239000005018 casein Substances 0.000 abstract 1
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 abstract 1
- 235000021240 caseins Nutrition 0.000 abstract 1
- 239000003610 charcoal Substances 0.000 abstract 1
- 239000000571 coke Substances 0.000 abstract 1
- 229920001436 collagen Polymers 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- -1 for example Substances 0.000 abstract 1
- 229920000159 gelatin Polymers 0.000 abstract 1
- 239000008273 gelatin Substances 0.000 abstract 1
- 235000019322 gelatine Nutrition 0.000 abstract 1
- 235000011852 gelatine desserts Nutrition 0.000 abstract 1
- 239000002480 mineral oil Substances 0.000 abstract 1
- 235000010446 mineral oil Nutrition 0.000 abstract 1
- 239000000178 monomer Substances 0.000 abstract 1
- 239000003345 natural gas Substances 0.000 abstract 1
- 231100000252 nontoxic Toxicity 0.000 abstract 1
- 230000003000 nontoxic effect Effects 0.000 abstract 1
- 150000008442 polyphenolic compounds Chemical class 0.000 abstract 1
- 235000013824 polyphenols Nutrition 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 235000018553 tannin Nutrition 0.000 abstract 1
- 229920001864 tannin Polymers 0.000 abstract 1
- 239000001648 tannin Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/08—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated side groups
- C08F290/14—Polymers provided for in subclass C08G
- C08F290/145—Polyamides; Polyesteramides; Polyimides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/04—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polycarbonamides, polyesteramides or polyimides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/06—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals
- C08F283/08—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals on to polyphenylene oxides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H1/00—Macromolecular products derived from proteins
- C08H1/02—Protein-aldehyde condensates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/08—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L87/00—Compositions of unspecified macromolecular compounds, obtained otherwise than by polymerisation reactions only involving unsaturated carbon-to-carbon bonds
- C08L87/005—Block or graft polymers not provided for in groups C08L1/00 - C08L85/04
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L89/00—Compositions of proteins; Compositions of derivatives thereof
- C08L89/04—Products derived from waste materials, e.g. horn, hoof or hair
- C08L89/06—Products derived from waste materials, e.g. horn, hoof or hair derived from leather or skin, e.g. gelatin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/002—Peat, lignite, coal
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L99/00—Compositions of natural macromolecular compounds or of derivatives thereof not provided for in groups C08L89/00 - C08L97/00
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
- C09K8/524—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning organic depositions, e.g. paraffins or asphaltenes
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dermatology (AREA)
- Biochemistry (AREA)
- Ceramic Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Graft Or Block Polymers (AREA)
- Polyamides (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Biological Depolymerization Polymers (AREA)
Abstract
MISTURA DE POLÍMERO DE ENXERTO. A presente invenção refere-se a uma mistura de polímero de enxerto compreendendo uma base de enxerto com base em carvão marrom e/ ou polifenol proposta, a qual tem, como um componente de enxerto, um copolímero consistindo em um ou mais monômeros etilenicamente não-saturados diferentes reciprocamente e uma ou mais poliamidas diferentes reciprocamente. As bases de enxerto típicas são carvão marrom, coque de lignito, derivados de carvão marrom e lignita e taninos. Os componentes de enxerto adequados são em particular componentes contendo vinila e estirenos, os quais podem, da mesma forma, estar presentes na forma de sulfonadas. As poliamidas naturais, tais como, por exemplo, caseína, gelatina e colágeno, são componentes adequados de poliamida. Estes polímeros de b enxerto tendo uma massa molar Mn > 5000 g/mol são adequados como uma mistura, em particular em aplicações química da construção, e no desenvolvimento, na exploração e na conclusão de depósitos de gás natural e de óleo mineral no subsolo, e em cavidades profundas, uma vez que têm excelente sal e estabilidades de temperatura e são simultaneamente solúveis em água e/ ou biodegradáveis.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007037466A DE102007037466A1 (de) | 2007-08-08 | 2007-08-08 | Pfropfpolymer-Mischung |
| PCT/EP2008/055089 WO2009019050A1 (de) | 2007-08-08 | 2008-04-25 | Pfropfpolymer-mischung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BRPI0813974A2 BRPI0813974A2 (pt) | 2015-01-06 |
| BRPI0813974A8 true BRPI0813974A8 (pt) | 2017-12-19 |
Family
ID=39619359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0813974A BRPI0813974A8 (pt) | 2007-08-08 | 2008-04-25 | Mistura de polímero de enxerto |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US8802748B2 (pt) |
| EP (1) | EP2176346B1 (pt) |
| CN (1) | CN101688044B (pt) |
| BR (1) | BRPI0813974A8 (pt) |
| CA (1) | CA2690264C (pt) |
| DE (1) | DE102007037466A1 (pt) |
| DK (1) | DK2176346T3 (pt) |
| MX (1) | MX2010001402A (pt) |
| RU (1) | RU2475505C2 (pt) |
| WO (1) | WO2009019050A1 (pt) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007063060A1 (de) | 2007-12-28 | 2009-07-02 | Basf Construction Polymers Gmbh | Pfropfcopolymer als Gashydratinhibitor |
| US8869895B2 (en) * | 2009-12-08 | 2014-10-28 | Halliburton Energy Services, Inc. | Biodegradable set retarder for a cement composition |
| US8376045B2 (en) * | 2010-06-17 | 2013-02-19 | Halliburton Energy Services, Inc. | Fluid loss additive containing a biodegradable grafted copolymer for a cement composition |
| US8453735B2 (en) * | 2010-07-20 | 2013-06-04 | Halliburton Energy Services, Inc. | Method and biodegradable water based thinner composition for drilling subterranean boreholes with aqueous based drilling fluid |
| US8522898B2 (en) | 2010-09-02 | 2013-09-03 | Halliburton Energy Services, Inc. | Method for dispersing aqueous based drilling fluid for drilling subterranean boreholes |
| CN103261097A (zh) * | 2010-12-17 | 2013-08-21 | 阿克佐诺贝尔化学国际公司 | 具有酸、酯和非离子单体的木素磺酸盐接枝物 |
| CN102504138B (zh) * | 2011-11-17 | 2014-04-16 | 郑州轻工业学院 | 木质素接枝功能性乙烯基大单体高效减水剂及其制备方法 |
| CN102618229B (zh) * | 2012-03-01 | 2014-03-12 | 克拉玛依市正诚有限公司 | 耐高温颗粒调堵剂及其生产方法和使用方法 |
| BR112014030831A2 (pt) * | 2012-07-06 | 2017-06-27 | Basf Se | uso de copolímeros à base de gelatina. |
| US9157016B2 (en) * | 2012-10-01 | 2015-10-13 | Georgia-Pacific Chemicals Llc | Modified polyphenol binder compositions and methods for making and using same |
| CN103184041B (zh) * | 2013-03-07 | 2016-01-20 | 中国石油大学(华东) | 一种改性磷铝酸盐水泥缓凝剂及制备方法 |
| CN103710011B (zh) * | 2013-12-16 | 2017-05-10 | 安东石油技术（集团）有限公司 | 改性聚丙烯酰胺调剖体系以及其制备方法和使用方法 |
| RU2558072C1 (ru) * | 2014-05-27 | 2015-07-27 | Открытое акционерное общество "Северо-Кавказский научно-исследовательский проектный институт природных газов" (ОАО "СевКавНИПИгаз") | Сухая смесь для приготовления жидкости глушения |
| CN104031622A (zh) * | 2014-06-12 | 2014-09-10 | 青岛蓬勃石油技术服务有限公司 | 一种用于钻井液中的抗盐降滤失剂及其制备方法 |
| CN104177542B (zh) * | 2014-08-05 | 2016-09-14 | 新乡市富邦科技有限公司 | 钻井液用微乳液聚合强包被剂及其制备方法 |
| WO2017105475A1 (en) * | 2015-12-18 | 2017-06-22 | Halliburton Energy Services, Inc. | Modified biopolymers for diversion, conformance, and fluid loss control |
| CN109503760B (zh) * | 2017-09-14 | 2021-06-01 | 中石化石油工程技术服务有限公司 | 一种中高温油井水泥缓凝剂、其制备方法和应用 |
| CN108467760B (zh) * | 2018-03-21 | 2021-01-15 | 陕西科技大学 | 一种单宁酸接枝共聚物水煤浆分散剂及其制备方法 |
| US11162012B2 (en) * | 2020-04-06 | 2021-11-02 | Halliburton Energy Services, Inc. | Well treatment fluid having biodegradable fluid loss control agent |
| CN112778990B (zh) * | 2021-02-05 | 2022-06-03 | 西南石油大学 | 一种用于油田注水井的污水混配暂堵剂及其制备方法 |
Family Cites Families (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3936408A (en) | 1974-05-01 | 1976-02-03 | Calgon Corporation | Well cementing composition having improved flow properties containing a polyamido-sulfonic additive |
| US4015991A (en) | 1975-08-08 | 1977-04-05 | Calgon Corporation | Low fluid loss cementing compositions containing hydrolyzed acrylamide/2-acrylamido-2-methylpropane sulfonic acid derivative copolymers and their use |
| US4053323A (en) | 1976-11-11 | 1977-10-11 | Calgon Corporation | Method of using cementing composition having improved flow properties |
| DE2846249A1 (de) * | 1977-12-09 | 1979-06-13 | Minnesota Mining & Mfg | Formbare biologisch abbaufaehige thermoplastische masse |
| US4278749A (en) * | 1979-03-09 | 1981-07-14 | Ciba-Geigy Ag | Receiving elements containing graft gelatin polymers as dye mordants |
| DE3069379D1 (en) | 1980-11-15 | 1984-11-08 | Toray Industries | Method of modifying a synthetic or natural polyamide product |
| DE3220503A1 (de) | 1982-06-01 | 1983-12-01 | Cassella Ag, 6000 Frankfurt | Hochmolekular wasserloesliche copolymerisate, ihre herstellung und verwendung |
| DE3302168A1 (de) * | 1983-01-24 | 1984-07-26 | Hoechst Ag, 6230 Frankfurt | Zementschlaemme fuer tiefbohrungen mit einem gehalt an copolymerisaten zur verminderung des wasserverlustes |
| US4579927A (en) | 1983-09-26 | 1986-04-01 | Dresser Industries, Inc. | Copolymers of flavanoid tannins and acrylic monomers |
| US4654085A (en) | 1984-10-11 | 1987-03-31 | Henkel Kommanditgesellschaft Auf Aktien | Additive for cementitious compositions |
| SU1447832A1 (ru) * | 1986-02-28 | 1988-12-30 | Ухтинский индустриальный институт | Реагент дл обработки буровых растворов |
| US4676317A (en) * | 1986-05-13 | 1987-06-30 | Halliburton Company | Method of reducing fluid loss in cement compositions which may contain substantial salt concentrations |
| US4703801A (en) | 1986-05-13 | 1987-11-03 | Halliburton Company | Method of reducing fluid loss in cement compositions which may contain substantial salt concentrations |
| MX169321B (es) | 1987-12-14 | 1993-06-29 | Nalco Chemical Co | Composicion polimerica y metodo mejorado para reducir la perdida de fluidez de los lodos de perforacion y composiciones de cementacion. |
| US4891404A (en) * | 1988-05-27 | 1990-01-02 | Purdue Research Foundation | Biodegradable graft copolymers |
| US4938803A (en) | 1989-07-05 | 1990-07-03 | Nalco Chemical Company | Vinyl grafted lignite fluid loss additives |
| EP0427107A3 (en) * | 1989-11-06 | 1992-04-08 | M-I Drilling Fluids Company | Drilling fluid additive |
| DE4034642A1 (de) | 1990-10-31 | 1992-05-07 | Hoechst Ag | Wasserloesliche mischpolymerisate und deren verwendung |
| DE4016002A1 (de) * | 1990-05-18 | 1991-11-21 | Basf Ag | Verwendung von wasserloeslichen oder wasserdispergierbaren gepfropften proteinen als zusatz zu wasch- und reinigungsmitteln |
| US5147964A (en) | 1990-10-15 | 1992-09-15 | Nalco Chemical Company | Method for reducing fluid loss from oilfield cement slurries using vinyl grafted wattle tannin |
| US5741875A (en) * | 1991-11-08 | 1998-04-21 | Meister; John J. | Biodegradable plastics and composites from wood |
| EP0573847B1 (de) | 1992-06-06 | 1999-03-17 | Clariant GmbH | Verwendung von carboxymethylierten Methylhydroxyethyl- oder Methylhydroxypropylcelluloseethern und daraus erhältliche Zementmischungen |
| US5339903A (en) | 1993-11-12 | 1994-08-23 | Halliburton Company | Method for control of gas migration in well cementing |
| DE19543304B4 (de) | 1995-11-21 | 2005-06-09 | Skw Bauchemie Gmbh | Zusatzmittel für wasserhaltige Baustoffmischungen und dessen Verwendung |
| DE19756172A1 (de) * | 1997-12-17 | 1999-06-24 | Stockhausen Chem Fab Gmbh | Verfahren zur Pfropfung von Lignin, danach hergestellte Polymerisate und deren Verwendung |
| ES2138933B1 (es) | 1998-05-20 | 2000-09-16 | Tolsa Sa | Aditivo para materiales de construccion conglomerantes, composiciones que contienen el aditivo y uso del aditivo en materiales de construccion conglomerantes. |
| US6019835A (en) | 1998-09-01 | 2000-02-01 | Halliburton Energy Services, Inc. | Cement compositions and biodegradable dispersants therefor |
| US6454004B2 (en) * | 1999-07-15 | 2002-09-24 | Halliburton Energy Services, Inc. | Cementing casing strings in deep water offshore wells |
| US6802805B2 (en) * | 2000-12-14 | 2004-10-12 | Yukoh Akae | Method for recombining soil |
| DE10229837A1 (de) | 2001-09-18 | 2003-04-03 | Skw Polymers Gmbh | Polymeres, Acrylamid-freies Wasserrückhaltemittel |
| DE10150190A1 (de) | 2001-10-12 | 2003-04-17 | Tr Oil Services Aberdeen | Verfahren zur Verringerung oder zur vollständigen Einstellung von Wasserzuflüssen bei einer unterirdischen Formation, und vernetzbare Copolymere zu dessen Durchführung |
| US7202319B2 (en) * | 2002-04-10 | 2007-04-10 | Basf Construction Polymers Gmbh | Water-soluble copolymers based on olefinic sulfonic acids, method for the production thereof and use of the same |
| DE10314354A1 (de) | 2002-12-11 | 2004-06-24 | Skw Polymers Gmbh | Wasserlösliche, biologisch abbaubare Copolymere auf Polyamidbasis und deren Verwendung |
| RU2237077C1 (ru) * | 2003-07-18 | 2004-09-27 | Закрытое акционерное общество объединение "РОСРЕСУРС" | Реагент-стабилизатор для буровых растворов и концентрат бурового раствора |
| DE102006038809A1 (de) | 2006-08-18 | 2008-02-21 | Basf Construction Polymers Gmbh | Wasserlösliche und biologisch abbaubare Copolymere auf Polyamidbasis und deren Verwendung |
-
2007
- 2007-08-08 DE DE102007037466A patent/DE102007037466A1/de not_active Withdrawn
-
2008
- 2008-04-25 US US12/600,931 patent/US8802748B2/en active Active
- 2008-04-25 WO PCT/EP2008/055089 patent/WO2009019050A1/de active Application Filing
- 2008-04-25 CA CA2690264A patent/CA2690264C/en not_active Expired - Fee Related
- 2008-04-25 DK DK08749745.9T patent/DK2176346T3/da active
- 2008-04-25 MX MX2010001402A patent/MX2010001402A/es active IP Right Grant
- 2008-04-25 EP EP08749745A patent/EP2176346B1/de active Active
- 2008-04-25 RU RU2010107873/05A patent/RU2475505C2/ru not_active IP Right Cessation
- 2008-04-25 BR BRPI0813974A patent/BRPI0813974A8/pt not_active Application Discontinuation
- 2008-04-25 CN CN200880022692.2A patent/CN101688044B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP2176346A1 (de) | 2010-04-21 |
| RU2010107873A (ru) | 2011-09-20 |
| DE102007037466A1 (de) | 2009-02-12 |
| US20100160488A1 (en) | 2010-06-24 |
| EP2176346B1 (de) | 2013-03-06 |
| CN101688044A (zh) | 2010-03-31 |
| MX2010001402A (es) | 2010-03-10 |
| BRPI0813974A2 (pt) | 2015-01-06 |
| WO2009019050A1 (de) | 2009-02-12 |
| RU2475505C2 (ru) | 2013-02-20 |
| CN101688044B (zh) | 2014-07-30 |
| CA2690264A1 (en) | 2009-02-12 |
| US8802748B2 (en) | 2014-08-12 |
| CA2690264C (en) | 2013-11-12 |
| DK2176346T3 (da) | 2013-05-21 |
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