Granted Patent
Utility
US 4,117,196 · App. 05/830,225
Photocurable imidizable polyene-polythiol compositions
Inventor:
Eckart Mathias
Patented Case
View Patent ↗
Granted: Sep 26, 1978
Filed: Sep 2, 1977
Inventor
Eckart Mathias
Assignee (at issue)
W. R. Grace & Co.
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.