US Patent 7446152 Method of producing hydrogenated polymers
Patent 7446152 was granted and assigned to Mitsubishi Gas Chemical Company on November, 2008 by the United States Patent and Trademark Office.
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Patent Inventor Names
Tatsuya Yamauchi0
Yasuhiro Kushida0
Yoshikazu Shima0
Yuuichi Sugano0
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Patent abstract
In the production of a nuclear-hydrogenated polymer, the hydrogenation of an aromatic vinyl compound—(meth)acrylate copolymer is conducted in a mixed solvent comprising an ester compound and an alcohol compound in the presence of a catalyst. By this method, a highly transparent nuclear-hydrogenated polymer is produced safely, stably and quickly, even when the degree of nuclear-hydrogenation is low.
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US Patent 07446152 Method of producing hydrogenated polymers US Patent 7446152 Method of producing hydrogenated polymers
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Patent Number
074461520
Patent Number
74461520
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Current Assignee
Patent Jurisdiction
Patent Number
074461520
Date of Patent
November 4, 2008
0Patent Application Number
113740680
Date Filed
March 14, 2006
0Official Website
Patent Primary Examiner
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US Patent 07446152 Method of producing hydrogenated polymers
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07446152
Date of patent
November 4, 2008
Patent application number
11374068
Date Filed
March 14, 2006
Patent primary examiner
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