IP Library › Granted Patent US 5,665,155
Granted Patent Utility
US 5,665,155 · App. 08/595,053

Organofunctional polysiloxanes for modifying the surface of finely divided particles

Inventors: Werner Hohner, Dietmar Schaefer
Patented Case View Patent ↗
Granted: Sep 9, 1997 Filed: Jan 31, 1996
Inventors
Werner Hohner
Dietmar Schaefer
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,665,155
App. No.
08/595,053
Filed
1996-01-31
Granted
1997-09-09
Kind
A