Granted Patent
Utility
US 5,258,138 · App. 07/956,436
Process for stabilizing ethylenically unsaturated compounds and stabilized monomer compositions
Inventors:
Leslie R. Gatechair, Raymond Seltzer, James L. Hyun
Patented Case
View Patent ↗
Granted: Nov 2, 1993
Filed: Oct 2, 1992
Inventors
Leslie R. Gatechair
Raymond Seltzer
James L. Hyun
Assignee (at issue)
Ciba-Geigy
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.