JP3369559B2 - ジフルオロメタンとテトラフルオロエタンの組成物 - Google Patents
ジフルオロメタンとテトラフルオロエタンの組成物Info
- Publication number
- JP3369559B2 JP3369559B2 JP50854893A JP50854893A JP3369559B2 JP 3369559 B2 JP3369559 B2 JP 3369559B2 JP 50854893 A JP50854893 A JP 50854893A JP 50854893 A JP50854893 A JP 50854893A JP 3369559 B2 JP3369559 B2 JP 3369559B2
- Authority
- JP
- Japan
- Prior art keywords
- hfc
- weight
- tetrafluoroethane
- composition
- difluoromethane
- 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.)
- Expired - Fee Related
Links
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical group FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 title claims description 182
- 239000000203 mixture Substances 0.000 title claims description 165
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 title claims description 92
- WXGNWUVNYMJENI-UHFFFAOYSA-N 1,1,2,2-tetrafluoroethane Chemical compound FC(F)C(F)F WXGNWUVNYMJENI-UHFFFAOYSA-N 0.000 claims description 58
- 239000003507 refrigerant Substances 0.000 claims description 30
- 238000009835 boiling Methods 0.000 claims description 23
- 238000001816 cooling Methods 0.000 claims description 23
- 238000001704 evaporation Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 230000008020 evaporation Effects 0.000 claims description 4
- UHCBBWUQDAVSMS-UHFFFAOYSA-N fluoroethane Chemical compound CCF UHCBBWUQDAVSMS-UHFFFAOYSA-N 0.000 claims description 3
- 239000012530 fluid Substances 0.000 description 11
- 229930195733 hydrocarbon Natural products 0.000 description 11
- 150000002430 hydrocarbons Chemical class 0.000 description 10
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 5
- 235000019404 dichlorodifluoromethane Nutrition 0.000 description 5
- 239000004814 polyurethane Substances 0.000 description 5
- 229920002635 polyurethane Polymers 0.000 description 5
- 239000003380 propellant Substances 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 239000004604 Blowing Agent Substances 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229920000098 polyolefin Polymers 0.000 description 4
- 239000000443 aerosol Substances 0.000 description 3
- 239000002274 desiccant Substances 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 239000004088 foaming agent Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- -1 polymerization media Substances 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 239000005437 stratosphere Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 125000001309 chloro group Chemical group Cl* 0.000 description 2
- 239000012459 cleaning agent Substances 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 1
- DDMOUSALMHHKOS-UHFFFAOYSA-N 1,2-dichloro-1,1,2,2-tetrafluoroethane Chemical compound FC(F)(Cl)C(F)(F)Cl DDMOUSALMHHKOS-UHFFFAOYSA-N 0.000 description 1
- BOUGCJDAQLKBQH-UHFFFAOYSA-N 1-chloro-1,2,2,2-tetrafluoroethane Chemical compound FC(Cl)C(F)(F)F BOUGCJDAQLKBQH-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 1
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/143—Halogen containing compounds
- C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
- C08J9/146—Halogen containing compounds containing carbon, halogen and hydrogen only only fluorine as halogen atoms
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
- A62D1/0028—Liquid extinguishing substances
- A62D1/0057—Polyhaloalkanes
-
- 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
- C09K3/00—Materials not provided for elsewhere
- C09K3/30—Materials not provided for elsewhere for aerosols
-
- 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
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
- C09K5/041—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems
- C09K5/044—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds
- C09K5/045—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds containing only fluorine as halogen
-
- 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
- C08J2207/00—Foams characterised by their intended use
- C08J2207/04—Aerosol, e.g. polyurethane foam spray
-
- 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
- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/22—All components of a mixture being fluoro compounds
-
- 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
- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/32—The mixture being azeotropic
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Dispersion Chemistry (AREA)
- Polymers & Plastics (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Detergent Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Lubricants (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US78787291A | 1991-10-31 | 1991-10-31 | |
US787,872 | 1991-10-31 | ||
US87167392A | 1992-04-21 | 1992-04-21 | |
US871,673 | 1992-04-21 | ||
PCT/US1992/009211 WO1993009199A1 (en) | 1991-10-31 | 1992-10-29 | Compositions of difluoromethane and tetrafluoroethane |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002105140A Division JP2003013051A (ja) | 1991-10-31 | 2002-04-08 | ジフルオロメタンとテトラフルオロエタンの組成物 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH07500608A JPH07500608A (ja) | 1995-01-19 |
JP3369559B2 true JP3369559B2 (ja) | 2003-01-20 |
Family
ID=27120704
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50854893A Expired - Fee Related JP3369559B2 (ja) | 1991-10-31 | 1992-10-29 | ジフルオロメタンとテトラフルオロエタンの組成物 |
JP2002105140A Pending JP2003013051A (ja) | 1991-10-31 | 2002-04-08 | ジフルオロメタンとテトラフルオロエタンの組成物 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002105140A Pending JP2003013051A (ja) | 1991-10-31 | 2002-04-08 | ジフルオロメタンとテトラフルオロエタンの組成物 |
Country Status (10)
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6121337A (en) * | 1990-03-23 | 2000-09-19 | E. I. Du Pont De Nemours And Company | Compositions containing 1,1,2,2-tetrafluoroethane (HFC-134) for closed-cell polymer foam production |
US5912279A (en) * | 1990-03-23 | 1999-06-15 | E. I. Du Pont De Nemours And Company | Polymer foams containing blocking agents |
US5290466A (en) * | 1991-10-31 | 1994-03-01 | E. I. Du Pont De Nemours And Company | Compositions of difluoromethane and tetrafluoroethane |
US5294359A (en) * | 1992-02-03 | 1994-03-15 | Alliedsignal Inc. | Refrigerant compositions |
US5762818A (en) * | 1992-07-15 | 1998-06-09 | E. I. Du Pont De Nemours And Company | Compositions which include 1,1,2,2- tetrafluoroethane and fluoroethane |
WO1994003056A1 (en) * | 1992-07-31 | 1994-02-17 | Ian Alexander Edwin Maccormick | Aerosol insecticide composition |
FR2707629B1 (fr) * | 1993-06-30 | 1995-09-01 | Atochem Elf Sa | Mélanges non azéotropiques contenant du difluorométhane et du 1,1,1,2-tétrafluoroéthane et leurs applications comme fluides frigorigènes en conditionnement d'air. |
AU1912295A (en) * | 1994-03-11 | 1995-09-25 | E.I. Du Pont De Nemours And Company | Process for converting chlorodifluoromethane and/or dichlorodifluoromethane |
DE69505982T2 (de) * | 1994-07-11 | 1999-06-17 | Solvay Fluor Und Derivate Gmbh, 30173 Hannover | Kältemittel |
AU3964097A (en) * | 1996-07-24 | 1998-02-10 | E.I. Du Pont De Nemours And Company | Closed cell thermoplastic foams containing hfc-134 |
TW492999B (en) * | 1997-01-31 | 2002-07-01 | Showa Denko Kk | Process for preparing mixed cooling-media |
US20050112165A1 (en) * | 2000-10-02 | 2005-05-26 | Tommy Taylor | Insect eradication system |
KR100405189B1 (ko) | 2001-02-16 | 2003-11-12 | 한국과학기술연구원 | 혼합냉매 조성물 |
US20030057396A1 (en) * | 2001-09-25 | 2003-03-27 | Cawley Richard E. | Replacement refrigerant for R410A |
US6841087B2 (en) | 2002-04-19 | 2005-01-11 | Korea Institute Of Science And Technology | Refrigerant composition comprising difluoromethane, 1,1,1-trifluoroethane and 1,1,1,2-tetrafluoroethane |
US6776922B2 (en) * | 2002-07-24 | 2004-08-17 | Korea Institute Of Science And Technology | Refrigerant composition comprising difluoromethane, 1,1,1-trifluoroethane and 1,1-difluoroethane |
US6800216B2 (en) | 2002-07-24 | 2004-10-05 | Korea Institute Of Science And Technology | Refrigerant composition for replacing chlorodifluoromethane |
AU2003273365A1 (en) * | 2002-10-01 | 2004-04-23 | James B. Tieken | Refrigerant blend |
FR2860001B1 (fr) * | 2003-09-19 | 2008-02-15 | Arkema | Composition a base d'hfc (hydrofluorocarbures) et son utilisation |
CZ300678B6 (cs) * | 2006-12-08 | 2009-07-15 | Vysoká škola chemicko-technologická v Praze | Zarízení pro zachycení a likvidaci pracovních látek z vyrazených chladicích zarízení |
ES2754267T3 (es) * | 2013-10-10 | 2020-04-16 | Chemours Co Fc Llc | Composiciones que comprenden difluorometano, pentafluoroetano, tetrafluoroetano y tetrafluoropropeno y usos de las mismas |
FR3064275B1 (fr) | 2017-03-21 | 2019-06-07 | Arkema France | Procede de chauffage et/ou climatisation d'un vehicule |
FR3064264B1 (fr) | 2017-03-21 | 2019-04-05 | Arkema France | Composition a base de tetrafluoropropene |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7708731A (nl) * | 1976-08-13 | 1978-02-15 | Montedison Spa | Werkwijze voor de bereiding van nieuwe drijf- middelsamenstellingen voor aerosolen. |
US4810403A (en) * | 1987-06-09 | 1989-03-07 | E. I. Du Pont De Nemours And Company | Halocarbon blends for refrigerant use |
JPH0730311B2 (ja) * | 1987-09-21 | 1995-04-05 | ダイキン工業株式会社 | 冷 媒 |
JP2545879B2 (ja) * | 1987-09-21 | 1996-10-23 | ダイキン工業株式会社 | 冷 媒 |
US4971712A (en) * | 1989-06-02 | 1990-11-20 | E. I. Du Pont De Nemours And Company | Compositions for compression refrigeration and methods of using them |
US4978467A (en) * | 1989-09-26 | 1990-12-18 | Allied-Signal Inc. | Azeotrope-like compositions of pentafluoroethane and difluoromethane |
US5115868A (en) * | 1989-10-04 | 1992-05-26 | E. I. Du Pont De Nemours And Company | Fire extinguishing composition and process |
JPH03168284A (ja) * | 1989-11-29 | 1991-07-22 | Matsushita Electric Ind Co Ltd | 作動流体 |
JP2579001B2 (ja) * | 1989-11-30 | 1997-02-05 | 松下電器産業株式会社 | 作動流体 |
JPH0655942B2 (ja) * | 1989-11-30 | 1994-07-27 | 松下電器産業株式会社 | 作動流体 |
JPH0655943B2 (ja) * | 1989-11-30 | 1994-07-27 | 松下電器産業株式会社 | 作動流体 |
JP2532696B2 (ja) * | 1989-11-30 | 1996-09-11 | 松下電器産業株式会社 | 作動流体 |
SG28336G (en) * | 1989-11-30 | 1995-09-18 | Matsushita Electric Ind Co Ltd | Working fluid |
EP0430170B1 (en) * | 1989-11-30 | 1994-08-03 | Matsushita Electric Industrial Co., Ltd. | Working fluid |
US5053155A (en) * | 1989-12-19 | 1991-10-01 | E. I. Du Pont De Nemours And Company | Compositions and process for use in refrigeration |
JP2792191B2 (ja) * | 1990-04-04 | 1998-08-27 | ダイキン工業株式会社 | 冷 媒 |
CA2086841C (en) * | 1990-07-26 | 2000-05-02 | Donald Bernard Bivens | Near-azeotropic blends for use as refrigerants |
JP2897388B2 (ja) * | 1990-09-28 | 1999-05-31 | ダイキン工業株式会社 | 共沸乃至共沸様組成物 |
CN1029625C (zh) * | 1990-12-17 | 1995-08-30 | 纳幕尔杜邦公司 | 氟化烃的恒沸组合物 |
AU1642192A (en) * | 1991-03-18 | 1992-10-21 | Allied-Signal Inc. | Non-azeotropic refrigerant compositions comprising difluoromethane; 1,1,1-trifluoroethane; or propane |
US5290466A (en) * | 1991-10-31 | 1994-03-01 | E. I. Du Pont De Nemours And Company | Compositions of difluoromethane and tetrafluoroethane |
-
1992
- 1992-10-16 US US07/963,310 patent/US5290466A/en not_active Expired - Lifetime
- 1992-10-28 TW TW081108575A patent/TW226407B/zh active
- 1992-10-29 DE DE69223984T patent/DE69223984T2/de not_active Expired - Fee Related
- 1992-10-29 AU AU30560/92A patent/AU3056092A/en not_active Abandoned
- 1992-10-29 WO PCT/US1992/009211 patent/WO1993009199A1/en active IP Right Grant
- 1992-10-29 EP EP92924137A patent/EP0610424B1/en not_active Expired - Lifetime
- 1992-10-29 SG SG1996007307A patent/SG48141A1/en unknown
- 1992-10-29 JP JP50854893A patent/JP3369559B2/ja not_active Expired - Fee Related
- 1992-10-30 MX MX9206282A patent/MX9206282A/es unknown
- 1992-10-31 CN CN92112759.6A patent/CN1071854A/zh active Pending
-
1995
- 1995-05-08 US US08/436,777 patent/US5589098A/en not_active Expired - Fee Related
-
2002
- 2002-04-08 JP JP2002105140A patent/JP2003013051A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE69223984T2 (de) | 1998-08-13 |
JPH07500608A (ja) | 1995-01-19 |
HK1002432A1 (en) | 1998-08-21 |
DE69223984D1 (de) | 1998-02-12 |
US5290466A (en) | 1994-03-01 |
AU3056092A (en) | 1993-06-07 |
US5589098A (en) | 1996-12-31 |
EP0610424B1 (en) | 1998-01-07 |
EP0610424A1 (en) | 1994-08-17 |
SG48141A1 (en) | 1998-04-17 |
WO1993009199A1 (en) | 1993-05-13 |
MX9206282A (es) | 1993-08-01 |
TW226407B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1994-07-11 |
JP2003013051A (ja) | 2003-01-15 |
CN1071854A (zh) | 1993-05-12 |
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