Granted Patent
Utility
US 4,540,791 · App. 06/512,058
Production of .beta.-amino-.alpha.,.beta.-unsaturated carboxylic acid esters
Inventors:
Luigi Cassar, Abul Iqbal, Alain C. Rochat
Patented Case
View Patent ↗
Granted: Sep 10, 1985
Filed: Jul 8, 1983
Inventors
Luigi Cassar
Abul Iqbal
Alain C. Rochat
Assignee (at issue)
Ciba-Geigy
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.