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:
Aug. 09, 1994
Filed:
Feb. 10, 1993
Applicant:
Inventor:
John R Deans, Bellevue, WA (US);
Assignee:
Vanson L.P., Redmond, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210725 ; 210728 ; 210730 ; 210912 ; 210913 ; 210914 ;
Abstract
A process for the removal of soluble polyvalent metal impurities from aqueous streams, the polyvalent metal selected from groups IIIA, IIIB, IVA, IVB, VA, VB, VIB, VIIB, and VIII in the periodic table of elements, is disclosed. The process comprises, in order:
Deans, John. (1994). Removing polyvalent metals from aqueous waste streams with chitosan and (U.S. Patent No. 5336415). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5336415
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile