Granted Patent
Utility
US 5,034,491 · App. 07/426,874
(Meth)acrylate ester-modified organopolysiloxanes
Inventors:
Dietmar Wewers, Christian Weitemeyer, Jurgen Jachmann
Patented Case
View Patent ↗
Granted: Jul 23, 1991
Filed: Oct 24, 1989
Inventors
Dietmar Wewers
Christian Weitemeyer
Jurgen Jachmann
Assignee (at issue)
Th. Goldschmidt. 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.