IP Library › Granted Patent US 5,191,128
Granted Patent Utility
US 5,191,128 · App. 07/851,376

Process for preparing tetraphenolic compounds

Inventor: Simon M. Li
Patented Case View Patent ↗
Granted: Mar 2, 1993 Filed: Mar 12, 1992
Inventor
Simon M. Li
Assignee (at issue)
SHELL OIL COMPANY

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Quick Facts
Patent No.
US 5,191,128
App. No.
07/851,376
Filed
1992-03-12
Granted
1993-03-02
Kind
A