Granted Patent
Utility
US 4,607,104 · App. 06/754,378
Process for the production of 2,2,6,6-tetraalkyl-4-piperidylamines
Inventors:
Russell E. Malz, Jr., Harold Greenfield
Patented Case
View Patent ↗
Granted: Aug 19, 1986
Filed: Jul 11, 1985
Inventors
Russell E. Malz, Jr.
Harold Greenfield
Assignee (at issue)
Uniroyal Chemical Company, 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.