Granted Patent
Utility
US 6,146,570 · App. 09/265,008
Process for producing extruded hydrocolloid granules
Inventor:
Alan J. Stern
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Mar 9, 1999
Inventor
Alan J. Stern
Assignee (at issue)
Rhodia, Inc.
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.