Granted Patent
Utility
US 5,112,919 · App. 07/429,206
Solid feeding of silane crosslinking agents into extruder
Inventors:
Willy Furrer, Jacques Schombourg
Patented Case
View Patent ↗
Granted: May 12, 1992
Filed: Oct 30, 1989
Inventors
Willy Furrer
Jacques Schombourg
Assignee (at issue)
Union Carbide Chemicals & Plastics Technology LLC
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.