Granted Patent
Utility
US 4,617,362 · App. 06/734,436
Inverse emulsion polymers with improved incorporation of diallyldimethylammonium chloride
Inventors:
Larry W. Becker, Eric H. Larson
Patented Case
View Patent ↗
Granted: Oct 14, 1986
Filed: May 16, 1985
Inventors
Larry W. Becker
Eric H. Larson
Assignee (at issue)
ALLIED CONSULTING, 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.