Granted Patent
Utility
US 6,187,437 · App. 09/150,921
Process for making high denier multilobal filaments of thermotropic liquid crystalline polymers and compositions thereof
Inventors:
M. Ishaq Haider, John A. Flint, Michael Jaffe, Joseph J. DiBiase, John Edward Cornetta
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Sep 10, 1998
Inventors
M. Ishaq Haider
John A. Flint
Michael Jaffe
Joseph J. DiBiase
John Edward Cornetta
Assignee (at issue)
CELANESE ACETATE LLC
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.