Compositions – Vaporization – or expansion – refrigeration or heat or energy...
Patent
1994-01-27
1996-07-23
Therkorn, Linda Skaling
Compositions
Vaporization, or expansion, refrigeration or heat or energy...
62114, 252305, 510411, C09K 504
Patent
active
055386580
ABSTRACT:
Refrigerant compositions include mixtures of pentafiuorodimethyl ether and a second component, wherein the second component is ammonia, dimethyl ether, cyclopropane, propane or propylene.
The invention also relates to azeotropic or azeotrope-like composition which comprise admixtures of effective amounts of pentafluorodimethyl ether and ammonia, dimethyl ether, cyclopropane, propane or propylene.
REFERENCES:
patent: 3362180 (1968-01-01), Eiseman
patent: 3922228 (1975-11-01), Hutchinson
patent: 4948526 (1990-08-01), Fellows et al.
Research Disclosure, vol. 146, Disclosure No. 14623 Jun. 1976.
Kazachki et al, Proceedings of the 1992 International Refrigeration Conference-Energy Efficiency and New Refrigerants vol. II Jul. 14-17, 1992 pp. 595-605.
Goge et al, Proceedings of the 1992 International Refrigeration Conference, Energy Efficiency and New Refrigerants vol. II Jul. 14-17, 1992 pp. 611-619.
E. I. Du Pont de Nemours and Company
Therkorn Linda Skaling
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