Granted Patent
Utility
US 5,753,036 · App. 08/840,965
Poly(vinyl alcohol) stabilized acrylic polymer modified hydraulic cement systems
Inventors:
E. Chris Hornaman, Christopher Hable, Randall P. Bright, Richard Henry Bott
Patented Case
View Patent ↗
Granted: May 19, 1998
Filed: Apr 21, 1997
Inventors
E. Chris Hornaman
Christopher Hable
Randall P. Bright
Richard Henry Bott
Assignee (at issue)
Air Products and Chemicals, 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.