Aqueous stripping composition for metal surfaces

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United States of America Patent

PATENT NO 9834689
APP PUB NO 20160108260A1
SERIAL NO

14893854

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Abstract

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The invention relates to an aqueous stripping composition for the removal of polymeric surface sealants on metal surfaces, said stripping composition comprising an alkalizing agent, a polymer splitting agent, a swelling agent, and a cloud point booster, wherein said polymer splitting agent is at least one gluconate wherein said swelling agent is at least one compound selected from the group consisting of glycol ethers and aliphatic alcohols having 3 to 9 carbon atoms. The inventive aqueous stripping composition is capable to remove polymeric sealants like e.g. polyurethane sealants, polyethylene sealants, polyethylene waxes, polyacrylic sealants, polysilicate sealants, and the like.

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Patent Owner(s)

Patent OwnerAddress
CITIBANK N A388 GREENWICH STREET NEW YORK NY 10013

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Noffke, Frank Wuppertal, DE 3 0

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