Granted Patent
Utility
US 4,788,270 · App. 07/058,476
Process for preparing a urethane coating comprising freezing a premix of an isocyanate and a polyol in a solvent
Inventors:
Edward A. Anderson, Ivars Miculs, Koji Tomikawa
Patented Case
View Patent ↗
Granted: Nov 29, 1988
Filed: Jun 5, 1987
Inventors
Edward A. Anderson
Ivars Miculs
Koji Tomikawa
Assignee (at issue)
Hughes Aircraft Company
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.