Granted Patent
Utility
US 5,296,185 · App. 07/985,079
Method for spinning a polybenzazole fiber
Inventors:
Chieh-Chun Chau, Timothy L. Faley, Michael E. Mills, Masaru Nakagawa, Timothy Rehg, Myrna Serrano, Ravi B. Shanker, George J. Quarderer, Yoshihiko Teramoto
Patented Case
View Patent ↗
Granted: Mar 22, 1994
Filed: Dec 3, 1992
Inventors
Chieh-Chun Chau
Timothy L. Faley
Michael E. Mills
Masaru Nakagawa
Timothy Rehg
Myrna Serrano
Ravi B. Shanker
George J. Quarderer
Yoshihiko Teramoto
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.