Granted Patent
Utility
US 5,098,952 · App. 07/614,578
Polyol blends of low Tg and high Tg acrylic copolymers
Inventors:
John E. Blasko, Robert E. Karabetsos, Douglas B. Rahrig
Patented Case
View Patent ↗
Granted: Mar 24, 1992
Filed: Nov 14, 1990
Inventors
John E. Blasko
Robert E. Karabetsos
Douglas B. Rahrig
Assignee (at issue)
S. C. JOHNSON & SON, 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.