Granted Patent
Utility
US 5,565,513 · App. 08/495,180
Method and composition for delaying the cross-linking of water soluble polymer solutions
Inventors:
E. Wayne Kinsey, III, Sharif Sharif, David N. Harry
Patented Case
View Patent ↗
Granted: Oct 15, 1996
Filed: Jun 27, 1995
Inventors
E. Wayne Kinsey, III
Sharif Sharif
David N. Harry
Assignee (at issue)
Benchmark Research & Technology, 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.