Granted Patent
Utility
US 5,869,191 · App. 08/977,011
Acid functional and epoxy functional polyster resins
Inventors:
Ronald Petrus Clemons Van Gaalen, Petrus G. Kooijmans, Eric Johannes Vos
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Nov 24, 1997
Inventors
Ronald Petrus Clemons Van Gaalen
Petrus G. Kooijmans
Eric Johannes Vos
Assignee (at issue)
SHELL OIL 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.