Granted Patent
Utility
US 6,524,508 · App. 09/605,707
Process of making chitosan-containing acrylic fibers
Inventors:
Hiroaki Ohnishi, Yoshihiro Nishihara, Hiroshi Hosokawa, Seizo Oishi, Masako Iwamoto, Yasuyuki Fujii, Hajime Itoh, Naoto Ohsuga, Gary J. Capone, Charles W. Emerson
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Jun 27, 2000
Inventors
Hiroaki Ohnishi
Yoshihiro Nishihara
Hiroshi Hosokawa
Seizo Oishi
Masako Iwamoto
Yasuyuki Fujii
Hajime Itoh
Naoto Ohsuga
Gary J. Capone
Charles W. Emerson
Assignees (at issue)
MITSUBISHI ELECTRIC CORPORATION
Soliton, 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.