Granted Patent
Utility
US 5,634,971 · App. 08/548,200
Process for dispersing pigments with polyoxyalkylated ethers
Inventor:
Timothy J. Baker
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: Oct 25, 1995
Inventor
Timothy J. Baker
Assignee (at issue)
Petrolite 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.