Granted Patent
Utility
US 6,521,699 · App. 09/844,981
Aqueous silicone dispersion
Inventors:
Michel Feder, Philippe Jost, Michel Letoffe, Marie-Cécile Duchamp
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Apr 27, 2001
Inventors
Michel Feder
Philippe Jost
Michel Letoffe
Marie-Cécile Duchamp
Assignee (at issue)
Rhodia Chimie
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.