Granted Patent
Utility
US 6,230,901 · App. 08/624,197
Microfine fiber product and process for producing the same
Inventors:
Satoshi Ogata, Kazuyuki Nagae, Kazue Yamamoto
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: Apr 3, 1996
Inventors
Satoshi Ogata
Kazuyuki Nagae
Kazue Yamamoto
Assignee (at issue)
Chisso 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.