Granted Patent
Utility
US 6,730,768 · App. 09/297,956
Methods of preparing casting resins and coating compositions using polyols derived from high oleic acid content fatty acid mixtures
Inventors:
Andreas Heidbreder, Roland Gruetzmacher, Ulrich Nagorny, Alfred Westfechtel
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: May 11, 1999
Inventors
Andreas Heidbreder
Roland Gruetzmacher
Ulrich Nagorny
Alfred Westfechtel
Assignee (at issue)
Cognis Deutschland GmbH & Co. KG
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.