Pressure sensitive adhesive sheet a pressure sensitive label and a laminate utilizing a specified pressure sensitive adhesive layer

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United States of America Patent

PATENT NO 5389437
SERIAL NO

08126971

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Abstract

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A pressure sensitive adhesive sheet or label comprising an adhesive coated substrate of paper or synthetic resin film, the adhesive coating containing an acrylic copolymer prepared by copolymerization of 0.1 to 20 weight % of (A) at least one unsaturated monomer of the formula: ##STR1## wherein R is hydrogen or methyl group, R.sup.1 and R.sup.2 are hydrogen or a C.sub.1 -C.sub.4 alkyl, n is 1 to 4; 0.01 to 10 weight % or (B) at least one unsaturated monomer of the formula: ##STR2## wherein Y is an organic group having a radical polymerizable unsaturated bond and R.sup.3, R.sup.4 and R.sup.5 are an aryl, or an unsubstituted or substituted alkyl; 0 to 10 weight % of (C) at least one unsaturated monomer of the formula: ##STR3## wherein R.sup.6 R.sup.7, R.sup.8, R.sup.9 and R.sup.10 are hydrogen or --CH.sub.2 OH; 60 to 99.89 weight % of (D) at least one unsaturated monomer of the formula: ##STR4## wherein R.sup.11 is hydrogen or methyl group and R.sup.12 is a C.sub.1 -C.sub.14 alkyl. A laminate can be prepared by laminating sheets or plastic molded articles with an adhesive coating composition as set forth above.

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Patent Owner(s)

Patent OwnerAddress
SAIDEN CHEMICAL INDUSTRY CO LTDTOKYO 103-0023

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukada, Hajime Urawa, JP 4 48
Miyajima, Norihisa Urawa, JP 5 73
Ozaki, Issei Urawa, JP 3 44

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