DE69003790D1 - Arbeitsmittel. - Google Patents
Arbeitsmittel.Info
- Publication number
- DE69003790D1 DE69003790D1 DE90122654T DE69003790T DE69003790D1 DE 69003790 D1 DE69003790 D1 DE 69003790D1 DE 90122654 T DE90122654 T DE 90122654T DE 69003790 T DE69003790 T DE 69003790T DE 69003790 D1 DE69003790 D1 DE 69003790D1
- Authority
- DE
- Germany
- Prior art keywords
- work equipment
- work
- equipment
- 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
Classifications
-
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1311166A JP2532697B2 (ja) | 1989-11-30 | 1989-11-30 | 作動流体 |
JP1311168A JP2548412B2 (ja) | 1989-11-30 | 1989-11-30 | 作動流体 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69003790D1 true DE69003790D1 (de) | 1993-11-11 |
DE69003790T2 DE69003790T2 (de) | 1994-04-28 |
Family
ID=26566608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1990603790 Expired - Fee Related DE69003790T2 (de) | 1989-11-30 | 1990-11-27 | Arbeitsmittel. |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0430171B1 (de) |
DE (1) | DE69003790T2 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5211867A (en) * | 1989-06-28 | 1993-05-18 | Allied-Signal Inc. | Azeotrope-like compositions of pentafluoroethane and 1,1,1-trifluoroethane |
WO1992016597A1 (en) * | 1991-03-18 | 1992-10-01 | Allied-Signal Inc. | Non-azeotropic refrigerant compositions comprising difluoromethane; 1,1,1-trifluoroethane; or propane |
US5232618A (en) * | 1991-09-30 | 1993-08-03 | E. I. Du Pont De Nemours And Company | Substantially constant boiling compositions of difluoromethane and trifluoroethane or perfluoroethane |
WO1993018110A1 (en) * | 1992-03-03 | 1993-09-16 | University Of Moncton | Non-azeotropic refrigerant mixture of r23, r125 and r32 |
WO1994020587A1 (en) * | 1993-03-02 | 1994-09-15 | E.I. Du Pont De Nemours And Company | Compositions including a hexafluoropropane |
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. |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3173872A (en) * | 1962-03-12 | 1965-03-16 | Allied Chem | Compositions of fluorocarbons |
US3444085A (en) * | 1966-07-28 | 1969-05-13 | Du Pont | Azeotropic composition |
US4810403A (en) * | 1987-06-09 | 1989-03-07 | E. I. Du Pont De Nemours And Company | Halocarbon blends for refrigerant use |
DD271121A1 (de) * | 1988-03-29 | 1989-08-23 | Univ Dresden Tech | Kaeltemittelgemisch ii |
-
1990
- 1990-11-27 DE DE1990603790 patent/DE69003790T2/de not_active Expired - Fee Related
- 1990-11-27 EP EP19900122654 patent/EP0430171B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0430171A1 (de) | 1991-06-05 |
EP0430171B1 (de) | 1993-10-06 |
DE69003790T2 (de) | 1994-04-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |