Use of chlorofluoropolymers as lubricants for refrigerants

Details Use of chlorofluoropolymers as lubricants for refrigerants Use of chlorofluoropolymers as lubricants for refrigerants

1991-06-24

1993-03-30

Skane, Christine

Compositions

Vaporization, or expansion, refrigeration or heat or energy...

With lubricants, or warning, stabilizing or anti-corrosion...

252 54, 252 58, 252 67, 62114, C09K 504, C10M10554, C10M10738

Patent

active

051981394

ABSTRACT:
This invention pertains to the use of chlorofluoropolymers, such as perfluoropolyepichlorohydrin as lubricants for cooling systems which employ hydrofluorocarbon refrigerants, such as 1,1,1,2-tetrafluoroethane.

REFERENCES:
patent: 4097388 (1978-06-01), Snyder et al.
patent: 4199461 (1980-04-01), Olund
patent: 4724092 (1988-02-01), Fukui et al.
patent: 4931199 (1990-06-01), Bierschenk et al.
International Search Report that corresponds to the subject application.
WO87/02993, Lagow et al. (Publication date May 21, 1987).
Japan 253140 Abstract, Toa Nenryo Kogyo KK (Apr. 13, 1990).
Japan 051613 Abstract, Hitachi KK (Sep. 8, 1989).
Japan 203695 Abstract, Asahi Glass KK (May 30, 1985).
Japan 121526 Abstract, Asahi Glass KK (Jan. 24, 1985).
EP 0194465 Caporiccio et al (Publication date Sep. 17, 1986).
FR2367818, Snyder et al, May 12, 1978.
WO90/03409 Bierschenk et al. (publication date Apr. 5, 1990).
WO90/03353 Bierschenk et al. (Publication date Apr. 5, 1990).
WO90/03410 Bierschenk et al. (Publication date Apr. 5, 1990).

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