JP2000513400A - 1,1,1,3,3―ペンタフルオロプロパン及びc▲下1▼〜c▲下3▼アルコールの共沸混合物様組成物 - Google Patents
1,1,1,3,3―ペンタフルオロプロパン及びc▲下1▼〜c▲下3▼アルコールの共沸混合物様組成物Info
- Publication number
- JP2000513400A JP2000513400A JP10503357A JP50335798A JP2000513400A JP 2000513400 A JP2000513400 A JP 2000513400A JP 10503357 A JP10503357 A JP 10503357A JP 50335798 A JP50335798 A JP 50335798A JP 2000513400 A JP2000513400 A JP 2000513400A
- Authority
- JP
- Japan
- Prior art keywords
- composition
- azeotrope
- pentafluoropropane
- weight percent
- solvent
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 93
- MSSNHSVIGIHOJA-UHFFFAOYSA-N pentafluoropropane Chemical group FC(F)CC(F)(F)F MSSNHSVIGIHOJA-UHFFFAOYSA-N 0.000 title claims abstract description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims description 26
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 36
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 20
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 3
- 239000002904 solvent Substances 0.000 abstract description 28
- 238000009835 boiling Methods 0.000 description 25
- 125000004432 carbon atom Chemical group C* 0.000 description 9
- 239000000443 aerosol Substances 0.000 description 7
- 238000005238 degreasing Methods 0.000 description 7
- 238000001704 evaporation Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000003112 inhibitor Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 4
- 239000003380 propellant Substances 0.000 description 4
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- AJDIZQLSFPQPEY-UHFFFAOYSA-N 1,1,2-Trichlorotrifluoroethane Chemical compound FC(F)(Cl)C(F)(Cl)Cl AJDIZQLSFPQPEY-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 description 1
- 239000004338 Dichlorodifluoromethane Substances 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 150000001241 acetals Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 1
- 235000019404 dichlorodifluoromethane Nutrition 0.000 description 1
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 1
- -1 dimethyl ether Chemical compound 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 125000004971 nitroalkyl group Chemical group 0.000 description 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/261—Alcohols; Phenols
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/50—Solvents
- C11D7/5036—Azeotropic mixtures containing halogenated solvents
- C11D7/5068—Mixtures of halogenated and non-halogenated solvents
- C11D7/5077—Mixtures of only oxygen-containing solvents
- C11D7/5081—Mixtures of only oxygen-containing solvents the oxygen-containing solvents being alcohols only
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
- C23G5/02—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents
- C23G5/028—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing halogenated hydrocarbons
- C23G5/02803—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing halogenated hydrocarbons containing fluorine
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/28—Organic compounds containing halogen
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Detergent Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.約99.9重量%〜約80重量%の1,1,1,3,3−ペンタフルオロプ ロパン、及び約0.1重量%〜約20重量%の、メタノール、エタノール、n− プロパノール、イソプロパノール及びそれらの混合物の群から選択されるアルコ ールから本質的に成る共沸混合物様組成物であって、約14.2℃〜約14.5℃ ±0.5℃/760mmHgで沸騰する組成物。 2.1,1,1,3,3−ペンタフルオロプロパンの重量%が約99.5〜約9 0であり、そしてメタノールの重量%が約0.5〜約10である、請求項1記載 の共沸混合物様組成物。 3.1,1,1,3,3−ペンタフルオロプロパンの重量%が約99.8〜約8 0であり、そしてエタノールの重量%が約0.2〜約20であり、約14.4℃± 0.5℃/760mmHgで沸騰する、請求項1記載の共沸混合物様組成物。 4.1,1,1,3,3−ペンタフルオロプロパンの重量%が約99.2〜約9 2であり、そしてエタノールの重量%が約0.8〜約8である、請求項3記載の 共沸混合物様組成物。 5.1,1,1,3,3−ペンタフルオロプロパンの重量%が約99.9〜約8 0であり、そしてn−プロパノールの重量%が約0.1〜約20であり、約14. 4℃±0.5℃/760mmHgで沸騰する、請求項1記載の共沸混合物様組成 物。 6.1,1,1,3,3−ペンタフルオロプロパンの重量%が約99.5〜約9 4であり、そしてn−プロパノールの重量%が約0.5〜約6である、請求項5 記載の共沸混合物様組成物。 7.1,1,1,3,3−ペンタフルオロプロパンの重量%が約99.9〜約8 0であり、そしてイソプロパノールの重量%が約0.1〜約20であり、約14. 5℃±0.5℃/760mmHgで沸騰する、請求項1記載の共沸混合物様組成 物。 8.1,1,1,3,3−ペンタフルオロプロパンの重量%が約99.5〜約9 4であり、そしてイソプロパノールの重量%が約0.5〜約6である、請求項7 記載の共沸混合物様組成物。 9.約96重量%の1,1,1,3,3−ペンタフルオロプロパン及び約4重量 %のメタノールから本質的に成る、請求項1記載の共沸混合物様組成物。 10.固体表面を清浄化する方法であって、前記表面を請求項1記載の共沸混 合物様組成物で処理することを含む方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/667,101 | 1996-06-20 | ||
US08/667,101 US5683974A (en) | 1996-06-20 | 1996-06-20 | Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and C1 -C3 alcohols for cleaning |
PCT/US1997/010669 WO1997048788A2 (en) | 1996-06-20 | 1997-06-19 | Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and c1-c3 alcohols |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000513400A true JP2000513400A (ja) | 2000-10-10 |
JP4047930B2 JP4047930B2 (ja) | 2008-02-13 |
Family
ID=24676788
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50335798A Expired - Fee Related JP4047930B2 (ja) | 1996-06-20 | 1997-06-19 | 1,1,1,3,3―ペンタフルオロプロパン及びc▲下1▼〜c▲下3▼アルコールの共沸混合物様組成物 |
Country Status (10)
Country | Link |
---|---|
US (1) | US5683974A (ja) |
EP (1) | EP0906408B1 (ja) |
JP (1) | JP4047930B2 (ja) |
AU (1) | AU3494697A (ja) |
DE (1) | DE69720991T2 (ja) |
ES (1) | ES2195156T3 (ja) |
ID (1) | ID19421A (ja) |
MY (1) | MY115091A (ja) |
TW (1) | TW430689B (ja) |
WO (1) | WO1997048788A2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6100229A (en) * | 1998-01-12 | 2000-08-08 | Alliedsignal Inc. | Compositions of 1,1,1,3,3,-pentafluoropropane and chlorinated ethylenes |
US6362153B1 (en) * | 1998-12-24 | 2002-03-26 | Honeywell International Inc. | Compositions of pentafluoropropane and dichlorotrifluoroethane |
US6086788A (en) * | 1999-03-15 | 2000-07-11 | Alliedsignal Inc. | Hydrofluorocarbon blown foam and method for preparation thereof |
WO2001068735A1 (en) * | 2000-03-16 | 2001-09-20 | Alliedsignal Inc. | Improved hydrofluorocarbon blown foam and method for preparation thereof |
US7276471B2 (en) * | 2004-06-14 | 2007-10-02 | Honeywell International Inc. | Azeotrope-like compositions of pentafluoropropane, methanol and dichloroethylene |
US7943564B1 (en) | 2008-01-21 | 2011-05-17 | The Sherwin-Williams Company | Hydrofluorocarbon cleaning compositions |
US20130150244A1 (en) * | 2011-12-12 | 2013-06-13 | Diversified Cpc International, Inc. | Ethane as an Aerosol Propellant |
US20170129689A1 (en) * | 2015-11-10 | 2017-05-11 | Michael Fishman | Aerosol Freeze Formulation and Delivery System |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR970002043B1 (ko) * | 1989-02-01 | 1997-02-21 | 아사히 가라스 가부시끼가이샤 | 히드로클로로플루오로카본 공비 또는 공비형 혼합물 |
DE3903336A1 (de) * | 1989-02-04 | 1990-08-09 | Bayer Ag | Verwendung von c(pfeil abwaerts)3(pfeil abwaerts)- bis c(pfeil abwaerts)5(pfeil abwaerts)-polyfluoralkanen als treibgase |
US4961869A (en) * | 1989-08-03 | 1990-10-09 | E. I. Du Pont De Nemours And Company | Ternary azeotropic compositions of 2,3-dichloro-1,1,1,3,3-pentafluoropropane with trans-1,2-dichloroethylene and methanol |
US5124065A (en) * | 1989-10-06 | 1992-06-23 | Allied-Signal Inc. | Azeotrope-like compositions of dichloropentafluoropropane and an alkanol having 1-4 carbon atoms |
US4970013A (en) * | 1989-12-11 | 1990-11-13 | E. I. Dupont De Nemours And Company | Binary azeotropic composition of 2,3-dichloro-1,1,1,3-3-pentafluoropropane and methanol |
US5118437A (en) * | 1989-12-21 | 1992-06-02 | Allied-Signal Inc. | Azeotrope-like compositions of dichloropentafluoropropane, ethanol and a hydrocarbon containing six carbon atoms |
US5106526A (en) * | 1990-06-06 | 1992-04-21 | Allied-Signal Inc. | Azeotrope-like compositions of dichloropentafluoropropane, methanol and a hydrocarbon containing six carbon atoms |
US5104565A (en) * | 1990-06-25 | 1992-04-14 | Allied-Signal Inc. | Azeotrope-like compositions of dichloropentafluoropropane, 2-propanol and a hydrocarbon containing six carbon atoms |
US5531916A (en) * | 1990-10-03 | 1996-07-02 | E. I. Du Pont De Nemours And Company | Hydrofluorocarbon cleaning compositions |
FR2676067B1 (fr) * | 1991-05-02 | 1993-07-23 | Atochem | Composition a base de 1,1,1,3,3-pentafluorobutane et de methanol, pour le nettoyage et/ou le sechage de surfaces solides. |
WO1993004160A1 (en) * | 1991-08-26 | 1993-03-04 | Daikin Industries, Ltd. | Solvent composition comprising mixture of polyfluoroalkane and lower alcohol |
WO1993011201A1 (en) * | 1991-12-03 | 1993-06-10 | United States Environmental Protection Agency | Refrigerant compositions and processes for using same |
US5219490A (en) * | 1992-04-27 | 1993-06-15 | Allied-Signal Inc. | Azeotrope-like compositions of 1,1,2,3,3-pentafluoropropane |
JPH0641591A (ja) * | 1992-07-24 | 1994-02-15 | Asahi Glass Co Ltd | 洗浄溶剤組成物 |
EP0679175A1 (en) * | 1993-01-15 | 1995-11-02 | E.I. Du Pont De Nemours And Company | Refrigerant compositions which include a sulphur compound |
US5611210A (en) * | 1993-03-05 | 1997-03-18 | Ikon Corporation | Fluoroiodocarbon blends as CFC and halon replacements |
US5538659A (en) * | 1993-03-29 | 1996-07-23 | E. I. Du Pont De Nemours And Company | Refrigerant compositions including hexafluoropropane and a hydrofluorocarbon |
BE1006894A3 (fr) * | 1993-03-31 | 1995-01-17 | Solvay | Compositions comprenant du pentafluorobutane et utilisation de ces compositions. |
US5552080A (en) * | 1993-04-15 | 1996-09-03 | Elf Atochem North America, Inc. | Cold cleaning solvents |
US5514221A (en) * | 1993-04-15 | 1996-05-07 | Elf Atochem North America, Inc. | Cold cleaning process |
US5447646A (en) * | 1993-11-12 | 1995-09-05 | E. I. Du Pont De Nemours And Company | Compositions of 2,2-dichloro-1,1,1-trifluoroethane and pentafluoropropane |
US5558810A (en) * | 1994-11-16 | 1996-09-24 | E. I. Du Pont De Nemours And Company | Pentafluoropropane compositions |
US5578652A (en) * | 1995-02-17 | 1996-11-26 | Exxon Chemical Patents, Inc. | Method of producing rigid foams and products produced therefrom |
JPH08259502A (ja) * | 1995-03-27 | 1996-10-08 | Daikin Ind Ltd | 2−トリフルオロメチル−3,3,3−トリフルオロプロピオン酸エステルの製造方法 |
US5562857A (en) * | 1995-12-22 | 1996-10-08 | Bayer Corporation | Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and 2-methyl butane |
-
1996
- 1996-06-20 US US08/667,101 patent/US5683974A/en not_active Expired - Fee Related
-
1997
- 1997-06-03 MY MYPI97002466A patent/MY115091A/en unknown
- 1997-06-17 TW TW086108428A patent/TW430689B/zh not_active IP Right Cessation
- 1997-06-19 DE DE69720991T patent/DE69720991T2/de not_active Expired - Fee Related
- 1997-06-19 JP JP50335798A patent/JP4047930B2/ja not_active Expired - Fee Related
- 1997-06-19 AU AU34946/97A patent/AU3494697A/en not_active Abandoned
- 1997-06-19 EP EP97931272A patent/EP0906408B1/en not_active Expired - Lifetime
- 1997-06-19 ES ES97931272T patent/ES2195156T3/es not_active Expired - Lifetime
- 1997-06-19 WO PCT/US1997/010669 patent/WO1997048788A2/en active IP Right Grant
- 1997-06-19 ID IDP972103A patent/ID19421A/id unknown
Also Published As
Publication number | Publication date |
---|---|
TW430689B (en) | 2001-04-21 |
EP0906408B1 (en) | 2003-04-16 |
MY115091A (en) | 2003-03-31 |
WO1997048788A2 (en) | 1997-12-24 |
EP0906408A2 (en) | 1999-04-07 |
JP4047930B2 (ja) | 2008-02-13 |
ID19421A (id) | 1998-07-09 |
AU3494697A (en) | 1998-01-07 |
WO1997048788A3 (en) | 1998-02-19 |
US5683974A (en) | 1997-11-04 |
DE69720991T2 (de) | 2004-01-15 |
ES2195156T3 (es) | 2003-12-01 |
DE69720991D1 (de) | 2003-05-22 |
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