Granted Patent
Utility
US 5,155,183 · App. 07/685,776
Process for the preparation of copoly(arylene sulfide) having an enhanced rate of crystallization
Inventors:
Ernest Arnold, Joseph J. Watkins, David R. Fagerburg, Paul B. Lawrence
Patented Case
View Patent ↗
Granted: Oct 13, 1992
Filed: Apr 16, 1991
Inventors
Ernest Arnold
Joseph J. Watkins
David R. Fagerburg
Paul B. Lawrence
Assignee (at issue)
EASTMAN KODAK 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.