Granted Patent
Utility
US 5,286,525 · App. 08/059,011
Method of improving the printing of polyolefins with water-based inks
Inventors:
Bing-Lin Chen, James A. Barker
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: May 5, 1993
Inventors
Bing-Lin Chen
James A. Barker
Assignee (at issue)
Witco Corporation
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.