Granted Patent
Utility
US 5,264,535 · App. 07/976,577
Low free formaldehyde phenolic polyol formulation
Inventors:
Michael M. Geoffrey, Robert A. Laitar
Patented Case
View Patent ↗
Granted: Nov 23, 1993
Filed: Nov 16, 1992
Inventors
Michael M. Geoffrey
Robert A. Laitar
Assignee (at issue)
Acme Resin Corp.
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.