Compositions – Vaporization – or expansion – refrigeration or heat or energy...
Patent
1992-02-03
1994-03-15
Skane, Christine
Compositions
Vaporization, or expansion, refrigeration or heat or energy...
62114, C09K 504
Patent
active
052943593
ABSTRACT:
Compositions comprising difluoromethane, 1,1,1,2-tetrafluoroethane and a member selected from the group consisting of 1,1-difluoroethane, 1,1,1-trifluoroethane, propane and dimethyl ether having a vapor pressure from about 12.2 psia to about 18.4 psia at -40.degree. F., are useful as refrigerants.
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Derwent Primary Abstract, Accession No. 91-165716/23, Jul. 1991.
Derwent Primary Abstract, Accession No. 91-262358/36, Jul. 1991.
DataBase WPIL Week 9136, Derwent Publications Ltd., London, GB; AN 91-262357, JPA 3 170 586 (Matsushita) Jul. 24, 1991.
Patent Abstracts of Japan vol. 15, No. 413, JPA 31 70 587 (Matsushita Electric Ind.) Jul. 24, 1991.
Patent Abstracts of Japan vol. 15, No. 421, JPA 31 72 385 (Matsushita Electric Ind.), Jul. 25, 1991.
Lund Earl A. E.
Shankland Ian R.
Singh Rajiv R.
Wilson David P.
Allied-Signal Inc.
Friedenson J. P.
Harding K. A.
Skane Christine
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