Granted Patent
Utility
US 4,929,644 · App. 06/923,106
Thickened organic composition having biocidal activity and an additive for thickening and imparting biocidal activity to an organic composition
Inventor:
Ronald D. Guilbeaux
Patented Case
View Patent ↗
Granted: May 29, 1990
Filed: Oct 24, 1986
Inventor
Ronald D. Guilbeaux
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.