Granted Patent
Utility
US 6,093,769 · App. 08/974,189
Fluidized polymer suspensions of cationic polysaccharides in polyols and use thereof in personal care compositions
Inventors:
Charles L. Burdick, Mohand Melbouci, Hans Hofman, Jacobus Johannes deBruin
Patented Case
View Patent ↗
Granted: Jul 25, 2000
Filed: Nov 19, 1997
Inventors
Charles L. Burdick
Mohand Melbouci
Hans Hofman
Jacobus Johannes deBruin
Assignee (at issue)
HERCULES LLC
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.