Granted Patent
Utility
US 5,340,902 · App. 08/073,011
Spandex fibers made using low unsaturation polyols
Inventors:
Curtis P. Smith, James M. O'Connor
Patented Case
View Patent ↗
Granted: Aug 23, 1994
Filed: Jun 4, 1993
Inventors
Curtis P. Smith
James M. O'Connor
Assignee (at issue)
Olin 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.