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:
Sep. 28, 1982
Filed:
May. 22, 1981
Applicant:
Inventor:
Michael B Lawson, Duncan, OK (US);
Assignee:
Halliburton Company, Duncan, OK (US);
Primary Examiner:
Int. Cl.
CPC ...
C23G / ;
U.S. Cl.
CPC ...
134-3 ; 134 41 ; 252142 ; 252146 ;
Abstract
A method of removing ferrous sulfide from ferrous metal surfaces comprising contacting the ferrous sulfide with an aqueous composition comprising an acid selected from the group consisting of maleic acid, maleic anhydride, and the alkali metal and ammonium salts of maleic acid.
Lawson, Michael. (1982). Method for removing iron sulfide scale from metal surfaces (U.S. Patent No. 4351673). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4351673
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile