Thickeners based on polyurethane

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8461213
APP PUB NO 20110313053A1
SERIAL NO

13035241

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Abstract

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Thickeners, which are based on an aqueous preparation of nonionic water-dispersible or water-soluble polyurethanes, it being possible to produce these polyurethanes by reacting

    (a) one or more hydrophilic polyols (a) which contain, per molecule, at least two OH groups and at least two functional groups which are selected from the functions —O— (ether groups) and —COO— (ester groups), where the molecular weight of these hydrophilic compounds is at least 300,(b) one or more compounds of the formula (I),

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Patent Owner(s)

Patent OwnerAddress
COGNIS IP MANAGEMENT GMBHHENKELSTRASSE 67 DUESSELDORF 40589

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Münzenberg, Cindy Duesseldorf, DE 5 17
Pietsch, Oliver Mülheim, DE 5 63

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