IP Library › Granted Patent US 4,647,394
Granted Patent Utility
US 4,647,394 · App. 06/666,139

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Inventors: Kuniko Kimura, Kunihiko Ofuchi, Koichiro Oda
Patented Case View Patent ↗
Granted: Mar 3, 1987 Filed: Oct 31, 1984
Inventors
Kuniko Kimura
Kunihiko Ofuchi
Koichiro Oda
Assignee (at issue)
Mitsubishi Chemical Industries, Ltd.

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Quick Facts
Patent No.
US 4,647,394
App. No.
06/666,139
Filed
1984-10-31
Granted
1987-03-03
Kind
A