Granted Patent
Utility
US 5,385,702 · App. 08/207,989
Method for stable rapid spinning of a polybenzoxazole or polybenzothiazole fiber
Inventors:
Michael E. Mills, Yoshihiko Teramoto, Timothy L. Faley, Masaru Nakagawa
Patented Case
View Patent ↗
Granted: Jan 31, 1995
Filed: Mar 8, 1994
Inventors
Michael E. Mills
Yoshihiko Teramoto
Timothy L. Faley
Masaru Nakagawa
Assignee (at issue)
THE DOW CHEMICAL COMPANY
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.