Granted Patent
Utility
US 6,187,875 · App. 09/421,168
Acid functional polyester resins and lower temperature curable powder coating compositions comprising them
Inventors:
Ann Elise Germaine Christiane Bergmans, Jean-Marc Jacques Eric Bertens, Petrus G. Kooijmans, Marc J. Rans, Christian Jean Charles De Cock
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Oct 19, 1999
Inventors
Ann Elise Germaine Christiane Bergmans
Jean-Marc Jacques Eric Bertens
Petrus G. Kooijmans
Marc J. Rans
Christian Jean Charles De Cock
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.