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:
Feb. 16, 2016
Filed:
Oct. 18, 2010
Wakako Ogiwara, Otsu, JP;
Hiroo Takabatake, Otsu, JP;
Masahide Taniguchi, Otsu, JP;
TORAY INDUSTRIES, INC., Tokyo, JP;
Abstract
A water producing system which is provided with a semi-permeable membrane treatment process Ato produce membrane permeate Aand concentrate A, a semi-permeable membrane treatment processBwhich is equipped with a treatment target water B branching means for branching treatment target water Binto two or more to produce a membrane Band concentrate B, and a semi-permeable membrane treatment process Cwhich is equipped with a first water mixing means for mixing one of the treatment target water B with at least part of the concentrate A, and subjects the mixed water to the semi-permeable membrane treatment to produce membrane permeate Cand concentrate C, thereby producing fresh water from a plurality of kinds of raw water which differ in osmotic pressure.