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:
Oct. 24, 1989
Filed:
Aug. 28, 1987
Applicant:
Inventors:
Kyoichi Naruo, Kanagawa, JP;
Sumio Ohtani, Kanagawa, JP;
Masahiro Etoh, Kanagawa, JP;
Masao Tsuruta, Kanagawa, JP;
Ikuro Moriya, Kanagawa, JP;
Masanori Ishiguro, Kanagawa, JP;
Akira Matsumoto, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210339 ; 210346 ; 210486 ; 210488 ; 2104972 ; 55492 ;
Abstract
A plate-type filter cartridge includes a plurality of stacked filtration units; each filtration unit having inner and outer rims, two filtration membranes bonded to opposite sides of the two rims, and a pair of netty members formed of fibrous material contacting a porous support and membranes. The support supports the membrane and is disposed between the membranes; the support being defined by a plurality of spokes and an outer rim.