Granted Patent
Utility
US 6,515,091 · App. 09/845,650
Anionic vinyl/dicarboxylic acid polymers and uses thereof
Inventors:
John Larry Sanders, James Kimmerly, Grigory Mazo
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Apr 30, 2001
Inventors
John Larry Sanders
James Kimmerly
Grigory Mazo
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.