Granted Patent
Utility
US 5,240,665 · App. 07/816,338
Process of making cellulose acetate fibers from spinning solutions containing metal oxide precursor
Inventors:
Kab Sik Seo, Christine J. T. Landry, Bradley K. Coltrain, James D. Cloyd
Patented Case
View Patent ↗
Granted: Aug 31, 1993
Filed: Dec 31, 1991
Inventors
Kab Sik Seo
Christine J. T. Landry
Bradley K. Coltrain
James D. Cloyd
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.