Siloxy-functional cyclopolysiloxanes

Details Siloxy-functional cyclopolysiloxanes Siloxy-functional cyclopolysiloxanes

1991-12-27

1993-09-21

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Cosmetic, antiperspirant, dentifrice

424 70, 556460, A61K 31695, A61K 706

Patent

active

052467031

ABSTRACT:
A cyclopolysiloxane having the general structure ##STR1## wherein Q is a monovalent siloxane moiety selected from the group consisting of the structure (R.sub.3 SiO).sub.2 SiR--A-- and the structure GR.sub.2 SiOSiR.sub.2 --A'--, in which A is a divalent hydrocarbon group having 4 to 14 carbon atoms and A' is a divalent hydrocarbon group having 2 to 18 carbon atoms, each R' group and each G group is independently selected from the group consisting of an alkyl radical having 1 to 30 carbon atoms, a phenyl radical, an arylalkyl group and a halogenated alkyl radical having 3 to 6 carbon atoms, each R is independently selected from the group consisting of an alkyl radical having 1 to 30 carbon atoms. a phenyl radical, an arylalkyl group, a halogenated alkyl radical having 3 to 6 carbon atoms and hydrogen, and x and y are each integers, with the proviso that (x+y) is an integer having a value of 4 to 6 inclusive and y is at least 1.

REFERENCES:
patent: 4497943 (1985-02-01), Takago et al.
patent: 4574082 (1986-03-01), Tietjen
patent: 5086146 (1992-02-01), Liles et al.
patent: 5089250 (1992-02-01), Forestier et al.
patent: 5104643 (1992-04-01), Grollier
Chemical Abstracts, vol. 116, No. 10, Item. No. 85928v.
Chemical Abstracts, vol. 112, No. 22, Item. No. 204466x.

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