Granted Patent
Utility
US 5,998,568 · App. 09/231,192
Polyesters prepared from alkoxylated intermediates
Inventors:
Hildeberto Nava, Karin F. Nelson-Baron
Patented Case
View Patent ↗
Granted: Dec 7, 1999
Filed: Jan 14, 1999
Inventors
Hildeberto Nava
Karin F. Nelson-Baron
Assignee (at issue)
Reichhold, 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.