Granted Patent
Utility
US 5,756,554 · App. 08/595,538
Low profile additives for polyester resin systems based on asymmetric glycols and aromatic diacids
Inventor:
Dennis H. Fisher
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Feb 2, 1996
Inventor
Dennis H. Fisher
Assignee (at issue)
Ashland, Inc.
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.