Granted Patent
Utility
US 6,365,676 · App. 09/687,972
Poly-perfluoroalkyl substituted polyamines as grease proofing agents for paper and foam stabilizers in aqueous fire-fighting foams
Inventors:
John Jennings, Ted Deisenroth, Marlon Haniff
Patented Case
View Patent ↗
Granted: Apr 2, 2002
Filed: Oct 16, 2000
Inventors
John Jennings
Ted Deisenroth
Marlon Haniff
Assignee (at issue)
Ciba Specialty Chemicals 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.