Granted Patent
Utility
US 4,880,673 · App. 07/240,138
Acrylate binder and its use for dressing leather
Inventors:
Leo Tork, Hans-Gunter Vogt, Ferdinand Heins
Patented Case
View Patent ↗
Granted: Nov 14, 1989
Filed: Sep 2, 1988
Inventors
Leo Tork
Hans-Gunter Vogt
Ferdinand Heins
Assignee (at issue)
Bayer Aktiengesellschaft
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.