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Patent applications and USPTO patent grants for Bivens; Donald B..The latest application filed is for "hydrofluorocarbon compositions".
Patent | Date |
---|---|
Hydrofluorocarbon compositions Grant 5,417,871 - Minor , et al. May 23, 1 | 1995-05-23 |
Process for heating and cooling using substantially constant boiling compositions of fluorinated hydrocarbons Grant 5,403,504 - Bivens , et al. April 4, 1 | 1995-04-04 |
Near-azeotropic blends for use as refrigerants Grant 5,277,834 - Bivens , et al. January 11, 1 | 1994-01-11 |
Halocarbon blends Grant 5,262,077 - Bivens , et al. November 16, 1 | 1993-11-16 |
Azeotropic and azeotrope-like compositions of 1,1,2,2-tetrafluoroethane Grant 5,182,040 - Bartlett , et al. January 26, 1 | 1993-01-26 |
Azeotropic composition of 1-chloro-1,2,2,2-tetrafluoroethane and dimethyl ether Grant 5,061,394 - Bivens , et al. October 29, 1 | 1991-10-29 |
Halocarbon blends for refrigerant use Grant 4,810,403 - Bivens , et al. March 7, 1 | 1989-03-07 |
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