IP Library › Granted Patent US 5,252,693
Granted Patent Utility
US 5,252,693 · App. 07/693,375

Syndiotactic styrene polymers

Inventors: Nobuhide Ishihara, Masahiko Kuramoto, Michitake Uoi
Patented Case View Patent ↗
Granted: Oct 12, 1993 Filed: Apr 30, 1991
Inventors
Nobuhide Ishihara
Masahiko Kuramoto
Michitake Uoi
Assignee (at issue)
IDEMITSU KOSAN CO., LTD.

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Quick Facts
Patent No.
US 5,252,693
App. No.
07/693,375
Filed
1991-04-30
Granted
1993-10-12
Kind
A