Granted Patent
Utility
US 5,601,754 · App. 08/426,516
Water treatment polymer containing poly[oxy-[(hydroxymethyl)-1,2-ethanediyl]] macromonomers and methods of use thereof
Inventors:
William S. Carey, Andrew Solov
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: Apr 21, 1995
Inventors
William S. Carey
Andrew Solov
Assignee (at issue)
Betz Laboratories, 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.