US Patent 7335714 Sulfine control agents for synthesizing polymers

Patent 7335714 was granted and assigned to The Goodyear Tire & Rubber Company on February, 2008 by the United States Patent and Trademark Office.

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Patent Inventor Names

Dane Kenton Parker0

Frank James Feher0

Viswanath Mahadevan0

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Patent abstract

The present invention is directed to sulfine control agents for synthesizing polymers via controlled free radical polymerization and to the polymers resulting therefrom. Such polymers include repeat units derived from the controlled free radical polymerization, particularly reversible atom fragmentation transfer (RAFT) polymerization, of at least one vinyl-containing monomer, at least one conjugated diene monomer, or combinations thereof, in the presence of a sulfine compound having the formula:

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Official Website

https://pdfpiw.uspto.gov/.piw?Docid=073357140

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