Coating composition for a subbing layer on a polyester film for light sensitive material

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United States of America Patent

PATENT NO 5562997
SERIAL NO

08505437

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Abstract

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The present invention discloses a subbing coating composition for polyester films comprising: I - a polymer A having attached to its backbone - carboxyl groups and/or - groups which form carboxyl groups upon hydrolysis and - a polymer B having attached to its backbone --SO.sub.3 X and/or --PO.sub.3 XY groups, wherein X and Y are identical or different and denote an alkali metal, ammonium or hydrogen or II - a polymer A' having attached to its backbone - carboxyl groups and/or groups which form carboxyl groups upon hydrolysis, and - --SO.sub.3 X and/or --PO.sub.3 XY groups, wherein X and Y are identical or different and denote an alkali metal, ammonium or hydrogen and III - an organic compound C having at least two free hydroxy groups, wherein the coating composition does not comprise addition polymerizable compounds.

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Patent Owner(s)

Patent OwnerAddress
HOECHST DIAFOIL COMPANY1 HOOD ROAD GREER SC 29651

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Donald, Robin M Greer, SC 4 49
Heberger, John M Greer, SC 18 242
Krejci, James J Medina, OH 4 40
Moore, Cathy R Anderson, SC 2 13

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