Granted Patent
Utility
US 6,515,043 · App. 09/812,920
Silicone oligomers with higher alkoxy groups
Inventors:
Herbert B. Petty, Robert J. Pickwell
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Mar 20, 2001
Inventors
Herbert B. Petty
Robert J. Pickwell
Assignee (at issue)
Crompton Corporation
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.