Granted Patent
Utility
US 6,107,442 · App. 09/024,756
Outdoor durable coating compositions and acid functional polyester resins and polyglycidyl esters thereof usable therefor
Inventors:
Jan Freriks, Ronald Petrus Clemens Van Gaalen, Gregory John Hitchings, Petrus G. Kooijmans
Patented Case
View Patent ↗
Granted: Aug 22, 2000
Filed: Feb 17, 1998
Inventors
Jan Freriks
Ronald Petrus Clemens Van Gaalen
Gregory John Hitchings
Petrus G. Kooijmans
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.