Hydrolysis resistant organomodified silylated ionic surfactants

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United States of America Patent

PATENT NO 8569385
SERIAL NO

12955276

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Abstract

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The present invention provides for a composition comprising a silane having the formula:

description='In-line Formulae' end='lead'(R1)(R2)(R3)Si—R4—Si(R5)(R6)(R7)description='In-line Formulae' end='tail'

wherein

    R1, R2, R3, R5, and R6 are each independently selected from the group consisting of 1 to 6 monovalent hydrocarbon radicals, aryl, and a hydrocarbon group of 7 to 10 carbons containing an aryl group;R4 is a hydrocarbon group of 1 to 3 carbons;R7 comprises an anionic, cationic or zwitterionic substituent. The silanes of the present invention exhibit resistance to hydrolysis over a wide pH range.

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Patent Owner(s)

Patent OwnerAddress
BOKF NA AS SUCCESSOR COLLATERAL AGENTONE WILLIAMS CENTER 10NW TULSA OK 74103

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Leatherman, Mark D Stamford, US 60 364
Peng, Wenqing N Shanghai, CN 9 5
Policello, George A Ossining, US 66 617
Rajamaran, Suresh K Macungie, US 2 1
Wagner, Ronald Bonn, DE 4 2
Xia, Zijun Shanghai, CN 35 301
Zeng, Liping Shanghai, CN 3 7

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