US 7,320,954 B2 | ||
Pentafluorobutane composition and cleaning solvent composition | ||
Akiyasu Kaneko, Saitama (Japan) | ||
Assigned to Kaneko Chemical Co., Ltd., Saitama (Japan) | ||
Filed on Feb. 24, 2005, as Appl. No. 11/64,647. | ||
Claims priority of application No. 2004-065838 (JP), filed on Mar. 09, 2004. | ||
Prior Publication US 2005/0233924 A1, Oct. 20, 2005 | ||
Int. Cl. C11D 7/50 (2006.01) |
U.S. Cl. 510—365 [510/407; 510/408; 510/410; 510/412] | 20 Claims |
1. A pentafluorobutane composition comprising:
100 parts by weight of 1,1,1,3,3-pentafluorobutane;
0.1 to 5.0 parts by weight of at least one of nitromethane and nitroethane; and
0.1 to 5.0 parts by weight of at least one of 1,3-dioxolane, trimethoxymethane, trimethoxyethane, and 1,2-butylene oxide.
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