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. 23, 2001
Filed:
Nov. 08, 1999
Applicant:
Inventors:
Gene H. Zaid, Sterling, KS (US);
Beth Ann Wolf, Hutchinson, KS (US);
Assignee:
Jacam Chemicals L.L.C., Sterling, KS (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 3/116 ; C09K 3/00 ; C08J 5/20 ; B01J 4/900 ;
U.S. Cl.
CPC ...
C01B 3/116 ; C09K 3/00 ; C08J 5/20 ; B01J 4/900 ;
Abstract
Iron-complexing or scavenging compositions are provided having particular utility as downhole well treatments or as a part of regenerating media for cation exchange resins. The compositions may be in dry or liquid form and preferably include stannous chloride, an acid selected from the group consisting of phosphorous acid, phosphoric acid and mixtures thereof, and sodium hexametaphosphate.