Granted Patent
Utility
US 6,222,005 · App. 09/599,236
Process for preparing polyester resins
Inventors:
Roman Loza, Patricia R. McDaniel
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Jun 22, 2000
Inventors
Roman Loza
Patricia R. McDaniel
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.