Granted Patent
Utility
US 5,744,523 · App. 08/513,314
Use of polyacrylate esters as dispersants
Inventors:
Michael Barkowsky, Jurgen Fock, Dietmar Schaefer
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: Aug 10, 1995
Inventors
Michael Barkowsky
Jurgen Fock
Dietmar Schaefer
Assignee (at issue)
Th. Goldschmidt. AG
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.