IP Library › Granted Patent US 5,321,122
Granted Patent Utility
US 5,321,122 · App. 07/964,560

Process for purification of styrene polymer

Inventors: Masahiko Kuramoto, Hideo Teshima
Patented Case View Patent ↗
Granted: Jun 14, 1994 Filed: Oct 21, 1992
Inventors
Masahiko Kuramoto
Hideo Teshima
Assignee (at issue)
IDEMITSU KOSAN CO., LTD.

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Quick Facts
Patent No.
US 5,321,122
App. No.
07/964,560
Filed
1992-10-21
Granted
1994-06-14
Kind
A