Silicone UV absorbers containing silane units

Details Silicone UV absorbers containing silane units Silicone UV absorbers containing silane units

1990-01-30

1992-02-04

McCamish, Marion E.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528 33, 528 32, C08G 7704, C08G 7720, C08F28312, C08L 8300

Patent

active

050861271

ABSTRACT:
Organic silicon compounds comprising in the molecule thereof, a polysilane structural unit: -(R.sup.1 R.sup.2 Si).sub.n - and a structural unit: R.sup.3.sub.a SiO.sub.(4-a)/2 absorb UV in the range of 300-400 nm and are well soluble in organic solvent. These compounds are useful UV absorbers for cosmetic compositions.

REFERENCES:
patent: 4590253 (1986-05-01), Hasegawa et al.
patent: 4626583 (1986-12-01), Arkles
patent: 4654408 (1987-03-01), Okinoshima
patent: 4783495 (1988-11-01), Pastor et al.

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