Method for producing formaldehyde-alkyl carbonate-copolymers

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United States of America Patent

PATENT NO 10030100
SERIAL NO

15103329

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Abstract

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The present invention relates to a method for producing formaldehyde-alkylene carbonate copolymers comprising the step of reacting trimeric, oligomeric and/or polymeric formaldehyde with an alkylene carbonate in the presence of a catalyst. Said invention further relates to copolymers obtainable by this method and the reaction products thereof with polyisocyanates.

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Patent Owner(s)

Patent OwnerAddress
COVESTRO DEUTSCHLAND AG51373 LEVERKUSEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Langanke, Jens Mechernich, DE 22 6
Peckermann, Ilja Cologne, DE 6 21
Wolf, Aurel Wulfrath, DE 110 437

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