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US Patent 7238768 Polysiloxanes and their preparation

Patent 7238768 was granted and assigned to Dow Corning on July, 2007 by the United States Patent and Trademark Office.

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Patent Citations Received
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US Patent 12084597 Amino-functional polyorganosiloxane additive for aqueous coating compositions
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US Patent 11999679 Chromium-catalyzed production of alcohols from hydrocarbons
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Patent Citations Received
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US Patent 11859054 Method of preparing alkoxy-functional organosilicon compounds
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Patent Inventor Names
Avril Surgenor0
Peter Cheshire Hupfield0
Stephen Westall0
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Patent abstract

An amino-functional polysiloxane is prepared by reacting an aminosilane (A) which contains an aminoalkyl group and at least one alkoxy group bonded to Si with a carboxylic acid and a silanol-functional polysiloxane (B). The aminosilane (A) is partially converted into its carboxylate salt which acts as a catalyst for the siloxane condensation polymerization reaction between (A) and (B).

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US Patent 07238768 Polysiloxanes and their preparation US Patent 7238768 Polysiloxanes and their preparation

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Patent Number
07238768
Patent Number
7238768
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=07238768
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07238768
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 US Patent 07238768 Polysiloxanes and their preparation

Infobox
Is a
Patent
Patent
Current assignee
Dow Corning
Dow Corning
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07238768
Date of patent
July 3, 2007
Patent application number
11602559
Date Filed
November 21, 2006
Patent primary examiner
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Margaret G. Moore

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