Japan EP Rubber Co., Ltd.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4377671 Process for producing olefinic copolymer rubbersExpiredJul 07, 81Mar 22, 83[C08F]
4366297 Process for producing olefinic copolymer rubber with improved titanium compound containing catalyst systemExpiredOct 23, 80Dec 28, 82[C08F]
4356160 Process for producing titanium trihalides by reducing titanium tetrahalidesExpiredApr 16, 81Oct 26, 82[C01G]

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