Granted Patent
Utility
US 5,283,366 · App. 08/022,852
Method of preparing 3-aminomethyl-3,5,5-trimethyl cyclohexyl amine
Inventors:
Klaus Huthmacher, Hermann Schmitt
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: Feb 25, 1993
Inventors
Klaus Huthmacher
Hermann Schmitt
Assignee (at issue)
Degussa AG
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.