Granted Patent
Utility
US 6,508,869 · App. 09/897,752
Boron compound/amine oxide compositions
Inventors:
Chuen-Ing Tseng, Leigh E. Walker, Charles Conrad Kempinska, Jr.
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Jun 29, 2001
Inventors
Chuen-Ing Tseng
Leigh E. Walker
Charles Conrad Kempinska, Jr.
Assignee (at issue)
LONZA LTD
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.