Highly substantive sunscreening agents

Details Highly substantive sunscreening agents Highly substantive sunscreening agents

1973-02-28

1977-01-18

Kight, III, John

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260 795R, 260 797, 424 59, 424 69, 424 78, 526326, C08F21804, C08F22054, C08F22802

Patent

active

040040747

ABSTRACT:
Sunscreening agents having improved adhesion to human skin comprising a polymeric material having a sunscreening group, e.g., a salicylate, aminobenzoate or a para-carboxy succinanilic acid group and having a substrate-binding group, e.g., a thioacetate, mercaptan, guanidyl or biguanidyl group. A representative species is a copolymer of vinylthioacetate and vinyl salicylate.

REFERENCES:
patent: 3152181 (1964-10-01), Shapiro et al.
patent: 3441589 (1969-04-01), Oswald
patent: 3529055 (1970-09-01), Skoultchi et al.
Geise et al., Journal of the American Pharmaceutical Assoc., vol. 34, pp. 208-212 (1945).
Geise et al., Journal of the American Pharmaceutical Assoc., vol. 39, pp. 30-36 (1950).

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