Granted Patent
Utility
US 4,629,749 · App. 06/758,392
Clarity of low density polyethylene compositions containing anti-block agents by addition of polyethylene glycol
Inventors:
Frank T. Kitchel, R. Sven Solvik, Michael L. Opacich
Patented Case
View Patent ↗
Granted: Dec 16, 1986
Filed: Jul 24, 1985
Inventors
Frank T. Kitchel
R. Sven Solvik
Michael L. Opacich
Assignee (at issue)
Enron Chemical 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.