Granted Patent
Utility
US 5,352,835 · App. 08/014,583
Supported catalysts for amination
Inventors:
Pei-Shing E. Dai, Terry L. Renken, Laurence D. Neff
Patented Case
View Patent ↗
Granted: Oct 4, 1994
Filed: Feb 8, 1993
Inventors
Pei-Shing E. Dai
Terry L. Renken
Laurence D. Neff
Assignee (at issue)
Texaco Chemical Inc.
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.