Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1989-01-18
1990-11-27
Lieberman, Paul
Compositions
Water-softening or purifying or scale-inhibiting agents
252162, 252170, 252364, 252DIG9, C11D 730, C11D 750
Patent
active
049734210
ABSTRACT:
An azeotropic solvent composition which comprises an azeotropic mixture of 77% by weight of Flon-113 and 23% by weight of cyclopentane. The composition can decrease the amount of 1,1,2-trichloro-1,2,2-trifluoroethane excellent in power for dissolving fats and oil, grease, and particularly, waxes used for temporarily fixing silicon wafers, quartz, ceramics without erosion of materials made of plastics and rubbers, and it is easy to control the liquid composition and easy to recover and reuse the composition.
REFERENCES:
patent: 2748084 (1956-05-01), De Lew et al.
patent: 2999815 (1961-09-01), Eiseman, Jr.
patent: 2999816 (1961-09-01), Bennet et al.
patent: 3249546 (1966-04-01), Eiseman
patent: 3340199 (1967-09-01), Clay et al.
patent: 3593462 (1970-11-01), Schofield
patent: 3607767 (1971-09-01), Schofield et al.
patent: 4279665 (1981-07-01), Colbert et al.
patent: 4476036 (1984-10-01), Figel et al.
patent: 4517108 (1985-05-01), Hisamoto et al.
patent: 4599187 (1986-07-01), Hey
Fukuzawa Toshimasa
Hanatani Naoyoshi
Ide Satoshi
Omure Yukio
Tamura Kohji
Beadles-Hay A.
Daikin Industries Ltd.
Lieberman Paul
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