Granted Patent
Utility
US 5,336,372 · App. 07/944,624
Process for deinking wastepaper utilizing organoclays formed in situ
Inventors:
Charles A. Cody, Edward D. Magauran
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Sep 14, 1992
Inventors
Charles A. Cody
Edward D. Magauran
Assignee (at issue)
Rheox Inc.
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.