Granted Patent
Utility
US 4,879,355 · App. 07/250,650
Compatible tricomponent polymer blends
Inventors:
Ronald R. Light, Robert W. Seymour
Patented Case
View Patent ↗
Granted: Nov 7, 1989
Filed: Sep 29, 1988
Inventors
Ronald R. Light
Robert W. Seymour
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.