Granted Patent
Utility
US 4,487,809 · App. 06/482,948
Process for the synthesis of a water-dilutable, heat-curable organopolysiloxane, modified with organic polyols
Inventors:
G/o/ tz Koerner, Manfred Priesch, Harald Rau, Eckehard Schamberg
Patented Case
View Patent ↗
Granted: Dec 11, 1984
Filed: Apr 7, 1983
Inventors
G/o/ tz Koerner
Manfred Priesch
Harald Rau
Eckehard Schamberg
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.