Compositions – Vaporization – or expansion – refrigeration or heat or energy...
Patent
1994-05-23
1995-11-28
Skane, Christine
Compositions
Vaporization, or expansion, refrigeration or heat or energy...
62114, C09K 504
Patent
active
054704960
ABSTRACT:
A working fluid containing chlorotetrafluoroethane and at least two fluorinated hydrocarbons having a boiling point of not higher than -40.degree. C. under atmospheric pressure selected from the group consisting of methane derivatives and ethane derivatives which consist of one or two carbon atoms, hydrogen atoms and fluorine atoms, which has very small influence on the ozone layer in the stratosphere and decreased flammability and is suitable as a substitute working fluid for chlorodifluoromethane.
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patent: 4957652 (1990-09-01), Tamura et al.
Patent Abstracts of Japan, 15(409), abstracting JP-A-31 68 265 (Jul. 22, 1991).
Patent Abstracts of Japan 15(409), abstracting JP-A-31 68 281 (Jul. 22, 1991).
Patent Abstracts of Japan, 8(236), abstracting JP-A-59 117 579 (Jul. 6, 1984).
Patent Abstracts of Japan, 15(239) abstracting JP-A-30 75 449 (Mar. 29, 1991).
Database WPIL, Week 8433 abstracting JP-A-59 117 580 (Jul. 6, 1984).
Funakura Masami
Nakatani Kazuo
Tagashira Minoru
Yoshida Yuji
Matsushita Electric - Industrial Co., Ltd.
Skane Christine
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