Granted Patent
Utility
US 6,133,467 · App. 09/103,215
2,6-di-t-butyl-4-[(dimethyl-4-methoxyphenylsilyl)-methyl-oxy]phenol and 2,6-di-t-butyl-4-[(dimethyl-2-methoxy-phenylsilyl)methyloxy]phenol
Inventors:
Michael L. Edwards, Mark Vaal, Roger A. Parker, James Edward Matt, Kim S. Chen, Mark T. Yates
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Jun 23, 1998
Inventors
Michael L. Edwards
Mark Vaal
Roger A. Parker
James Edward Matt
Kim S. Chen
Mark T. Yates
Assignee (at issue)
Hoechst Marion Roussel
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.