The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 09, 2001
Filed:
Feb. 22, 1999
Yasushi Takeuchi, Ibaraki, JP;
Masaaki Kawabe, Ibaraki, JP;
Hiroaki Yamazaki, Ibaraki, JP;
Masashi Kaneko, Ibaraki, JP;
Genya Anan, Ibaraki, JP;
Kazuya Sato, Ibaraki, JP;
Japan Vilene Company, Ltd., Tokyo, JP;
Abstract
A porous article wherein a sulfur containing atomic group is introduced onto at least a part of outer-inner surfaces of the article, a ratio (S/C) of the number of sulfur atoms (S) to the number of carbon atoms (C) on the surface onto which the sulfur containing atomic group is introduced is 7×10,or more, a ratio (O/C) of the number of oxygen atoms (O) to the number of carbon atoms (C) on the surface onto which the sulfur containing atomic group is introduced is 0.2 or more, and the ratio (S/C) and the ratio (O/C) are determined by means of an X-ray photoelectron spectrophotometer is disclosed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile