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:
Nov. 06, 1984
Filed:
Dec. 23, 1981
Applicant:
Inventor:
Peter M DiGiacomo, Mission Viejo, CA (US);
Assignee:
Occidental Chemical Corporation, Niagara Falls, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C25G / ;
U.S. Cl.
CPC ...
204 95 ; 210684 ;
Abstract
A process for removing dissolved chromium from a solution wherein said chromium is in the anion form which comprises contacting said solution with an adsorbent, comprising a hydrous oxide of iron at conditions whereby said chromium is adsorbed on said hydrous oxide, and wherein said hydrous oxide of iron is a granular, porous, high surface area, substantially non-crystalline, black material.