Granted Patent
Utility
US 4,966,939 · App. 06/884,822
Polyacrylate dispersions prepared with a water-soluble conjugated unsaturated monomer in the absence of a protective colloid
Inventor:
Daniel H. Craig
Patented Case
View Patent ↗
Granted: Oct 30, 1990
Filed: Jul 11, 1986
Inventor
Daniel H. Craig
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.