Granted Patent
Utility
US 6,821,944 · App. 10/161,057
Compositions of alkanolamine salts of alkyl phosphate esters
Inventors:
Robert Lee Reierson, Pascal Herve, Subhash Soman, Ronny Jon Eng
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Jun 3, 2002
Inventors
Robert Lee Reierson
Pascal Herve
Subhash Soman
Ronny Jon Eng
Assignee (at issue)
Rhodia, Inc.
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.