Granted Patent
Utility
US 4,454,321 · App. 06/387,625
Preparation of amines from olefins using certain transition metal catalysts
Inventors:
David M. Gardner, Roger T. Clark
Patented Case
View Patent ↗
Granted: Jun 12, 1984
Filed: Jun 11, 1982
Inventors
David M. Gardner
Roger T. Clark
Assignee (at issue)
Pennwalt Corporation
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.