IP Library › Granted Patent US 4,769,307
Granted Patent Utility
US 4,769,307 · App. 07/030,868

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Inventors: Tetsuo Ozawa, Shuichi Maeda, Yutaka Kurose
Patented Case View Patent ↗
Granted: Sep 6, 1988 Filed: Feb 25, 1987
Inventors
Tetsuo Ozawa
Shuichi Maeda
Yutaka Kurose
Assignee (at issue)
Mitsubishi Chemical Industries, Ltd.

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Quick Facts
Patent No.
US 4,769,307
App. No.
07/030,868
Filed
1987-02-25
Granted
1988-09-06
Kind
A