Granted Patent
Utility
US 5,000,861 · App. 07/397,502
Stable emulsions containing amino polysiloxanes and silanes for treating fibers and fabrics
Inventor:
Sue L. Yang
Patented Case
View Patent ↗
Granted: Mar 19, 1991
Filed: Aug 23, 1989
Inventor
Sue L. Yang
Assignee (at issue)
Union Carbide Chemicals & Plastics
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.