Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – Liquid composition
Reexamination Certificate
2005-01-25
2005-01-25
Webb, Gregory (Department: 1751)
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
Liquid composition
C252S067000, C252S068000, C062S114000, C521S131000
Reexamination Certificate
active
06846792
ABSTRACT:
Refrigerant compositions include mixtures of difluoromethane and isobutane, butane, propylene or cyclopropane; pentafluoroethane and propylene or cyclopropane; 1,1,2,2-tetrafluoroethane and propane; 1,1,1,2-tetrafluoroethane and cyclopropane; 1,1,1-trifluoroethane and DME or propylene; 1,1-difluoroethane and propane, isobutane, butane or cyclopropane; fluoroethane and propane or cyclopropane; 1,1,1,2,2,3,3-heptafluoropropane and butane, cyclopropane, DME, isobutane or propane; or 1,1,1,2,3,3,3-heptafluoropropane and butane, cyclopropane, isobutane or propane.
REFERENCES:
patent: 3159535 (1964-12-01), Sesso et al.
patent: 3777934 (1973-12-01), Meeks et al.
patent: 4174295 (1979-11-01), Bargigia et al.
patent: 4482465 (1984-11-01), Gray
patent: 4622825 (1986-11-01), Larue et al.
patent: 4663361 (1987-05-01), Park
patent: 4810403 (1989-03-01), Bivens et al.
patent: 5140824 (1992-08-01), Hunt
patent: 5234613 (1993-08-01), Shiflett
patent: 5417871 (1995-05-01), Minor et al.
patent: 5458798 (1995-10-01), Lunger et al.
patent: 5492541 (1996-02-01), Murphy et al.
patent: 5538661 (1996-07-01), Dawson et al.
patent: 5601753 (1997-02-01), Omure et al.
patent: 5624596 (1997-04-01), Lunger et al.
patent: 6001273 (1999-12-01), Minor et al.
patent: 6531441 (2003-03-01), Minor et al.
patent: 2075058 (1991-08-01), None
patent: 0492777 (1991-03-01), None
patent: 2247462 (1992-04-01), None
patent: 2247462 (1992-04-01), None
patent: 2-272086 (1990-11-01), None
patent: 04332786 (1992-11-01), None
patent: 05222235 (1993-08-01), None
patent: WO 9316128 (1993-08-01), None
patent: 7-150134 (1995-06-01), None
patent: 08151571 (1996-06-01), None
patent: 08170075 (1996-07-01), None
patent: WO 9201762 (1992-02-01), None
patent: WO 9311201 (1993-06-01), None
patent: WO 9400529 (1994-01-01), None
patent: WO 9417153 (1994-08-01), None
Kopko, Beyond CFCs: Extending the Search for New Refrigerants, 1989 ASHRAE CFC Technology Conference, 79-85, Sep., 1989.
Bivens Donald Bernard
Lunger Brooks Shawn
Minor Barbara Haviland
E. I. du Pont de Nemours and Company
Edwards Mark A.
Sebree Chyrrea J.
Webb Gregory
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