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. 01, 1980
Filed:
Jan. 03, 1975
Applicant:
Inventors:
Yasuo Hashino, Matsudo, JP;
Masatsugu Yoshino, Tokyo, JP;
Hitoshi Sawabu, Tokyo, JP;
Tsugio Konno, Tokyo, JP;
Assignee:
Asahi Kasei Kogyo Kabushiki Kaisha, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B29D / ;
U.S. Cl.
CPC ...
264 41 ; 2105 / ; 2641 / ; 264182 ; 264209 ; 428398 ;
Abstract
Hollow fibers of acrylonitrile polymers having water-permeability greater than 0.2 ml/cm.sup.2.min.atm and useful as an inexpensive superior ultrafilter, comprising