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. 29, 2019
Filed:
Jan. 18, 2015
Applicant:
Bateman Advanced Technologies Ltd., Yokneam, IL;
Inventor:
Jonathan Lipp, Givat Avni, IL;
Assignee:
TENOVA ADVANCED TECHNOLOGIES LTD., Hi-Tech Park, Yokneam, IL;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 25/237 (2006.01); C01B 25/234 (2006.01);
U.S. Cl.
CPC ...
C01B 25/2377 (2013.01); C01B 25/234 (2013.01);
Abstract
A method of purifying phosphoric acid solution produced in wet process using nanofiltration. The claimed method contains the following: (a) providing wet phosphoric feed (b) subjecting the said feed to a first nanofilter (c) produce sulfate solids (d) removing the solids (e) subjecting a second nanofilter.