Granted Patent
Utility
US 5,723,540 · App. 08/834,755
Elastic-thermoplastic graft polymers with improved properties
Inventors:
Herbert Eichenauer, Martin Bohnenpoll, Adolf Schmidt, Heinrich Alberts
Patented Case
View Patent ↗
Granted: Mar 3, 1998
Filed: Apr 3, 1997
Inventors
Herbert Eichenauer
Martin Bohnenpoll
Adolf Schmidt
Heinrich Alberts
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.