Granted Patent
Utility
US 4,279,804 · App. 06/020,088
Piperidine compounds and their use as stabilizers for synthetic polymers
Inventors:
Giuseppe Cantatore, Paolo Cassandrini
Patented Case
View Patent ↗
Granted: Jul 21, 1981
Filed: Mar 13, 1979
Inventors
Giuseppe Cantatore
Paolo Cassandrini
Assignee (at issue)
Chimosa Chimica Organica S.p.A.
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.