UV light-absorbing skin-protecting composition

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United States of America Patent

PATENT NO 5063048
SERIAL NO

07550540

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Abstract

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A UV light-absorbing skin-protecting composition which comprises an acrylic copolymer comprising (A) a compound of the formula: ##STR1## wherein R.sup.1 is a hydrogen atom or a methyl group, X is a group of the formula: ##STR2## in which R.sup.2 is a hydroxy group, R.sup.3 is a hydrogen atom or hydroxy group, R.sup.4 and R.sup.5 are the same or different and each is a hydrogen atom, a lower alkyl group, a lower alkoxy group, a halogen atom, a nitro group, a carboxyl group, a sulfonic acid group or a sulfonamide group and R.sup.6 is a single bond or a methylene group, Y is --O--, --NH-- or a group of the formula: ##STR3## in which R.sup.7 is a hydrogen atom or a lower alkyl group, R.sup.8 is a hydrogen atom or a hydroxy group, and m and n are the same or different and is each 0 or 1, (B) 40 to 75% by weight of an alkyl acrylate, (C) 10 to 40% by weight of an alkyl methacrylate, and (D) 5 to 30% by weight of a monoethylenically unsaturated monomer having a carboxyl group; and a medium.

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Patent Owner(s)

Patent OwnerAddress
SHIONOGI & CO LTDOSAKA-SHI OSAKA 541-0045
NISSHIN CHEMICAL INDUSTRY CO LTD2-17-33 KITAGO TAKEFU-SHI FUKUI-KEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Saitoh, Izumi Nishinomiya, JP 15 91
Sasaki, Yoshio Takefu, JP 114 2905

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