Granted Patent
Utility
US 5,278,213 · App. 07/689,420
Method of processing neutral polyanilines in solvent and solvent mixtures
Inventors:
Chien-Chung Han, Lawrence W. Shacklette, Ronald L. Elsenbaumer
Patented Case
View Patent ↗
Granted: Jan 11, 1994
Filed: Apr 22, 1991
Inventors
Chien-Chung Han
Lawrence W. Shacklette
Ronald L. Elsenbaumer
Assignee (at issue)
AlliedSignal, 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.