Silylated ultraviolet light absorbers having resistance to humid

Details Silylated ultraviolet light absorbers having resistance to humid Silylated ultraviolet light absorbers having resistance to humid

1996-12-16

1997-10-21

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

10628714, 428412, 428447, C07F 708, C07F 718

Patent

active

056798202

ABSTRACT:
The instant invention is directed to novel silylated agents having the formula ##STR1## where Ar and Ar' are independently substituted or unsubstituted aromatic rings, R is a branched or unbranched chain of 1 to 6 carbons, R' and R" are independently C1 to C12 alkyl or mixtures of C1 to C12 alkyl, and n is 1 or 2. The novel dibenzoylresorcinol silylated agents are capable of absorbing ultraviolet light.

REFERENCES:
patent: 5214085 (1993-05-01), Patel et al.
patent: 5391795 (1995-02-01), Pickett
patent: 5606089 (1997-02-01), Tamura et al.

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