BRPI0919052A2 - composição de lldpe resistente a impacto e pelílucas feitas do mesmo - Google Patents

composição de lldpe resistente a impacto e pelílucas feitas do mesmo

Info

Publication number: BRPI0919052A2
Authority: BR; Brazil
Prior art keywords: filmstrips; same; impact resistant; lldpe composition; resistant lldpe
Prior art date: 2008-09-25

Application number

BRPI0919052A

Other languages

English (en)

Inventor

Fabiana Fantinel

Gerd Mannebach

Gerhardus Meier

Iakovos Vittorias

Shahram Mihan

Original Assignee

Basell Polyolefine Gmbh

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2008-09-25

Filing date

2009-09-22

Publication date

2015-12-08

2009-09-22 Application filed by Basell Polyolefine Gmbh filed Critical Basell Polyolefine Gmbh

2015-12-08 Publication of BRPI0919052A2 publication Critical patent/BRPI0919052A2/pt

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
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
- 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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- 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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/02—Ethene
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/65912—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/65916—Component covered by group C08F4/64 containing a transition metal-carbon bond supported on a carrier, e.g. silica, MgCl2, polymer
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
- C08F4/65922—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
- C08F4/65925—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually non-bridged
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2314/00—Polymer mixtures characterised by way of preparation
- C08L2314/06—Metallocene or single site catalysts

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Crystallography & Structural Chemistry (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Manufacture Of Macromolecular Shaped Articles (AREA)
Compositions Of Macromolecular Compounds (AREA)
Extrusion Moulding Of Plastics Or The Like (AREA)

BRPI0919052A 2008-09-25 2009-09-22 composição de lldpe resistente a impacto e pelílucas feitas do mesmo BRPI0919052A2 (pt)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
EP08016863		2008-09-25
PCT/EP2009/006833 WO2010034461A1 (en)	2008-09-25	2009-09-22	Impact resistant lldpe composition and films made thereof

Publications (1)

Publication Number	Publication Date
BRPI0919052A2 true BRPI0919052A2 (pt)	2015-12-08

Family

ID=41226428

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BRPI0919052A BRPI0919052A2 (pt)	2008-09-25	2009-09-22	composição de lldpe resistente a impacto e pelílucas feitas do mesmo

Country Status (9)

Country	Link
US (1)	US20110212315A1 (pt)
JP (1)	JP2012503686A (pt)
KR (1)	KR20110063489A (pt)
CN (1)	CN102216351A (pt)
BR (1)	BRPI0919052A2 (pt)
CA (1)	CA2736410A1 (pt)
MX (1)	MX2011003161A (pt)
RU (1)	RU2011116177A (pt)
WO (1)	WO2010034461A1 (pt)

Families Citing this family (30)

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CN102216350B (zh)	2008-09-25	2014-10-29	巴塞尔聚烯烃股份有限公司	抗冲击的lldpe组合物和由其制备的薄膜
CN102164992A (zh) *	2008-09-25	2011-08-24	巴塞尔聚烯烃股份有限公司	抗冲击的lldpe组合物和由其制备的薄膜
US8957158B2 (en)	2008-09-25	2015-02-17	Basell Polyolefine Gmbh	Impact resistant LLDPE composition and films made thereof
US20110172354A1 (en) *	2010-01-04	2011-07-14	Dow Global Technologies Inc.	Ethylene-based polymer compositions for use in fiber applications
CA2734167C (en) *	2011-03-15	2018-03-27	Nova Chemicals Corporation	Polyethylene film
BR112014030072B1 (pt) *	2012-05-31	2021-08-31	Borealis Ag	Polietileno de baixa densidade, composição que compreende o polietileno de baixa densidade, processo para a produção do polietileno de baixa densidade, método para um processo de revestimento por extrusão, artigo, uso de um polietileno de baixa densidade e uso de uma composição
US9115233B2 (en)	2012-06-21	2015-08-25	Nova Chemicals (International) S.A.	Ethylene copolymer compositions, film and polymerization processes
CA2798855C (en)	2012-06-21	2021-01-26	Nova Chemicals Corporation	Ethylene copolymers having reverse comonomer incorporation
WO2014006069A1 (en)	2012-07-06	2014-01-09	Total Research & Technology Feluy	Process for the polymerization of olefins
RU2638261C2 (ru) *	2012-09-14	2017-12-15	Эксонмобил Кемикэл Пейтентс Инк.	Полимеры на основе этилена и изготовленные из них изделия
CN104736625B (zh) *	2012-10-26	2018-07-20	埃克森美孚化学专利公司	聚合物共混物和由其制得的制品
CN104769018B (zh)	2012-10-31	2017-09-22	埃克森美孚化学专利公司	含宽分子量分布聚丙烯树脂的制品
US9453093B2 (en)	2012-10-31	2016-09-27	Exxonmobil Chemical Patents Inc.	Broad molecular weight distribution polypropylene resins
CN107840980B (zh)	2012-10-31	2021-05-25	埃克森美孚化学专利公司	含宽分子量分布聚丙烯树脂的制品
CA2800056A1 (en)	2012-12-24	2014-06-24	Nova Chemicals Corporation	Polyethylene blend compositions
US9346897B2 (en)	2013-05-14	2016-05-24	Chevron Phillips Chemical Company Lp	Peroxide treated metallocene-based polyolefins with improved melt strength
CA2871463A1 (en)	2014-11-19	2016-05-19	Nova Chemicals Corporation	Passivated supports: catalyst, process and product
CA2892552C (en)	2015-05-26	2022-02-15	Victoria Ker	Process for polymerization in a fluidized bed reactor
CA2892882C (en)	2015-05-27	2022-03-22	Nova Chemicals Corporation	Ethylene/1-butene copolymers with enhanced resin processability
CN109641990B (zh) *	2016-07-13	2022-08-19	埃克森美孚化学专利公司	双金属茂催化剂共聚物组合物
CA2969627C (en)	2017-05-30	2024-01-16	Nova Chemicals Corporation	Ethylene copolymer having enhanced film properties
CN111183160B (zh)	2017-10-06	2022-06-10	埃克森美孚化学专利公司	聚乙烯挤出物及其制备方法
EP3710500A1 (en)	2017-11-15	2020-09-23	ExxonMobil Chemical Patents Inc.	Polymerization processes
CN111356706B (zh)	2017-11-15	2022-04-15	埃克森美孚化学专利公司	聚合方法
WO2019099587A2 (en)	2017-11-15	2019-05-23	Exxonmobil Chemical Patents Inc.	Polymerization processes
WO2019124805A1 (ko) *	2017-12-18	2019-06-27	주식회사 엘지화학	올레핀 중합체, 이의 제조 방법, 그리고 이를 이용한 필름
KR102133030B1 (ko)	2017-12-18	2020-07-10	주식회사 엘지화학	올레핀 중합체, 이의 제조 방법, 그리고 이를 이용한 필름
WO2020146375A2 (en) *	2019-01-08	2020-07-16	Exxonmobil Chemical Patents Inc	Olefin polymerization processes featuring in situ blending of an oil extension
US20230167254A1 (en) *	2020-05-01	2023-06-01	Exxonmobil Chemical Patents Inc.	Linear Low Density Polyethylene for Film Applications
US11492429B2 (en) *	2020-06-05	2022-11-08	Formosa Plastics Corporation, U.S.A.	Long-chain branched ethylene copolymer with novel composition distribution and films formed from the same

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Publication number	Priority date	Publication date	Assignee	Title
IT1275573B (it)	1995-07-20	1997-08-07	Spherilene Spa	Processo ed apparecchiatura per la pomimerizzazione in fase gas delle alfa-olefine
ATE280185T1 (de) *	1998-03-12	2004-11-15	Bp Chem Int Ltd	Polymerisationskatalysatoren
WO1999050318A1 (en) *	1998-03-30	1999-10-07	E.I. Du Pont De Nemours And Company	Polymerization of olefins
US7906451B2 (en) *	1998-03-30	2011-03-15	E.I. Du Pont De Nemours And Company	Mixed polymerization catalyst component for polymerizing olefins
US7199072B2 (en) *	2002-12-31	2007-04-03	Univation Technologies, Llc	Process of producing a supported mixed catalyst system and polyolefins therefrom
US6878454B1 (en) *	2003-12-05	2005-04-12	Univation Technologies, Llc	Polyethylene films
DE102004020524A1 (de) *	2004-04-26	2005-11-10	Basell Polyolefine Gmbh	Polyethylen und Katalysatorzusammensetzung zu dessen Herstellung
US20070010626A1 (en) *	2005-07-11	2007-01-11	Shankernarayanan Manivakkam J	Polyethylene compositions
EP2003166A1 (en) *	2007-06-12	2008-12-17	Repsol Ypf S.A.	Polyethylene compositions and their use in the manufacture of pipes

2009
- 2009-09-22 US US13/120,390 patent/US20110212315A1/en not_active Abandoned
- 2009-09-22 KR KR1020117006932A patent/KR20110063489A/ko not_active Application Discontinuation
- 2009-09-22 CN CN2009801377869A patent/CN102216351A/zh active Pending
- 2009-09-22 CA CA2736410A patent/CA2736410A1/en not_active Abandoned
- 2009-09-22 MX MX2011003161A patent/MX2011003161A/es not_active Application Discontinuation
- 2009-09-22 WO PCT/EP2009/006833 patent/WO2010034461A1/en active Application Filing
- 2009-09-22 RU RU2011116177/04A patent/RU2011116177A/ru unknown
- 2009-09-22 BR BRPI0919052A patent/BRPI0919052A2/pt not_active Application Discontinuation
- 2009-09-22 JP JP2011528232A patent/JP2012503686A/ja active Pending

Also Published As

Publication number	Publication date
CA2736410A1 (en)	2010-04-01
MX2011003161A (es)	2011-05-19
WO2010034461A1 (en)	2010-04-01
JP2012503686A (ja)	2012-02-09
RU2011116177A (ru)	2012-10-27
CN102216351A (zh)	2011-10-12
KR20110063489A (ko)	2011-06-10
US20110212315A1 (en)	2011-09-01
WO2010034461A8 (en)	2011-04-21

Publication	Publication Date	Title
BRPI0919052A2 (pt)	2015-12-08	composição de lldpe resistente a impacto e pelílucas feitas do mesmo
BRPI0919740A2 (pt)	2015-12-08	composição de lldpe resistente a impacto e películas feitas do mesmo
AR062844A1 (es)	2008-12-10	Composicion pesticida
BRPI0716325A2 (pt)	2014-03-04	Composição antimicrobianas
FR2899479B1 (fr)	2009-07-24	Composition cicatrisante
DE502007004844D1 (de)	2010-10-07	Schnittschutzhandschuhe
DE602008002306D1 (de)	2010-10-07	Sortiervorrichtung
BRPI0716881A2 (pt)	2013-10-15	Composições tópicas
BRPI0716458A2 (pt)	2014-03-04	Composição de vulcanizado
BRPI0719275A2 (pt)	2014-04-29	Composições de carbamatos de fenil-alquil-amino
BRPI0814230A2 (pt)	2014-10-14	Composição herbicida
BRPI0813692A2 (pt)	2015-01-06	Composição pesticida
BRPI0811430A2 (pt)	2015-06-23	Composições anti-insônia e processos
BRPI0811178A2 (pt)	2014-09-30	Composição herbicida
BRPI0813924A2 (pt)	2015-01-06	Composições pesticidas
FIU20060412U0 (fi)	2006-10-04	Suojaliivi
BRPI0718141A2 (pt)	2013-11-05	Composições de frangrâncias
FR2920271B1 (fr)	2011-02-11	Composition pesticide
BRPI0818824A2 (pt)	2014-10-07	Composição herbicida
DE112007000221A5 (de)	2009-01-15	Abseilvorrichtung
AT8372U3 (de)	2007-03-15	Desmopressin umfassende zusammensetzung
FR2898899B1 (fr)	2012-09-28	Composition photoreticulable
FR2901237B1 (fr)	2009-02-27	Vetement de sauvetage
BRPI0817628A2 (pt)	2014-09-30	Composição pesticidas
BRPI0817100A2 (pt)	2014-10-07	Composição herbicida

Legal Events

Date	Code	Title	Description
2016-04-12	B11A	Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
2016-08-02	B11Y	Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]