Granted Patent
Utility
US 5,965,613 · App. 08/935,208
Derivatives of acrylic acid
Inventors:
Hans P. Isenring, Stephan Trah, Bettina Drechsel
Patented Case
View Patent ↗
Granted: Oct 12, 1999
Filed: Sep 22, 1997
Inventors
Hans P. Isenring
Stephan Trah
Bettina Drechsel
Assignee (at issue)
Novartis Finance Corporation
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.