Preparation of alkenyl aromatic monomer butadiene rubber

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Jan 19, 1982
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Nov 19, 1980
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Jul 18, 1979

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Expired

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Abstract

Butadiene is partially polymerized anionically in the presence of styrene to form a styrene-butadiene rubber of low styrene content. The resultant living polymer is terminated, butadiene removed, and optionally the styrene polymerized with or without additional styrene to form impact resistant styrene polymer.

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Patent Owner(s)

Patent Owner	Address
DOW CHEMICAL COMPANY THE	2030 DOW CENTER ABBOTT ROAD MIDLAND MI 48640
ESSEX SPECIALTY PRODUCTS	1250 HARMON ROAD AUBURN HILLS MI

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C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....

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Inventor Name	Address	# of filed Patents	Total Citations
Kirkby, Larry L	Midland, MI	2	6
Lyons, Charles E	Midland, MI	4	34
Tung, Lu H	Midland, MI	28	377

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Preparation of alkenyl aromatic monomer butadiene rubber

Number of patents in Portfolio can not be more than 2000

United States of America Patent

06208209

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PATENT NO	4311819
SERIAL NO	06208209
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06208209

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