Azeotropic or azeotropic-like composition of hydrochlorofluoropropane
AssigneeAsahi Glass Company, Limited
InventorsShunichi Samejima, Kenroh Kitamura, Naohiro Watanabe, Teruo Asano, Toru Kamimura, Shinsuke Morikawa
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Abstract
A hydrochlorofluoropropane azeotropic or azeotropic-like composition comprising at least two members selected from the group consisting of hydrochlorofluoropropanes of the formula I: CH.sub.a Cl.sub.b F.sub.c CF.sub.2 CH.sub.x Cl.sub.y F.sub.z (I) wherein a+b+c=3, x+y+z=3, a+x.gtoreq.1, b+y.gtoreq.1, and 0.ltoreq.a,b,c,x,y,z.ltoreq.3.
Claims8
A method of removing material from a substrate, comprising applying to said material a composition which consists essentially of 12-92% by weight 3,3-dichloro-1,1,1,2,2-pentafluoropropane (R225ca), 3-77% by weight 1,3-dichloro-1,1,2,2,3-pentafluoropropane (R225cb) and 3-69% by weight 3-chloro-1,1,2,2-tetrafluoropropane (R244ca).
A method of removing material from a substrate, comprising applying to said material a composition which consists essentially of 27-67% by weight 1,3-dichloro-1,1,2,2,3-pentafluoropropane (R225cb) and 33-73% by weight 3-chloro-1,1,2,2-tetrafluoropropane (R244ca).
A method of removing materials from a substrate comprising applying to said material a composition which consists essentially of 52-92% by weight 3,3-dichloro-1,1,1,2,2-pentafluoropropane (R225Ca) and 8-48% by weight 3-chloro-1,1,2,2-tetrafluoropropane (R244ca).
A method of removing material from a substrate, comprising applying to said material a composition consisting essentially of 3,3-dichloro-1,1,1,2,2-pentafluoropropane (R225ca) and 1,3-dichloro-1,1,2,2,3-pentafluoropropane (R225cb).
Dependencies are inferred from the claim text.