Granted Patent
Utility
US 6,051,615 · App. 08/977,419
Use of C.sub.16 -C.sub.18 alkyl polyglycosides as defoamers in cleaning compositions
Inventors:
Stephen F. Gross, John F. Hessel
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Jun 16, 1997
Inventors
Stephen F. Gross
John F. Hessel
Assignee (at issue)
Henkel Limited
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.