IP Library › Granted Patent US 4,670,345
Granted Patent Utility
US 4,670,345 · App. 06/831,577

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Inventors: Isao Morimoto, Kazuyoshi Itagaki, Koichi Mori
Patented Case View Patent ↗
Granted: Jun 2, 1987 Filed: Feb 21, 1986
Inventors
Isao Morimoto
Kazuyoshi Itagaki
Koichi Mori
Assignee (at issue)
ASAHI KASEI KOGYO CO., LTD.

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Quick Facts
Patent No.
US 4,670,345
App. No.
06/831,577
Filed
1986-02-21
Granted
1987-06-02
Kind
A