Granted Patent
Utility
US 5,741,865 · App. 08/503,886
Fatty alkly diethanolamines to stabilize the optical clarity of polyols containing zinc fatty acid salts
Inventors:
Charles R. Bunting, Donald G. Zelhart
Patented Case
View Patent ↗
Granted: Apr 21, 1998
Filed: Jul 18, 1995
Inventors
Charles R. Bunting
Donald G. Zelhart
Assignee (at issue)
Witco Corporation
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.