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:
Dec. 07, 1982
Filed:
Apr. 27, 1981
Applicant:
Inventors:
Gerald W Elger, Albany, OR (US);
Ruth A Holmes, Albany, OR (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
75 24 ; 75116 ; 423 84 ;
Abstract
Oxide impurites are removed from the titania slag by: (1) admixing the slag with an alkali metal carbonate, sulfate or chloride, (2) reacting the admixture with SO.sub.3 or mixed SO.sub.2 --O.sub.2 gases at elevated temperature to form sulfates of the impurities and (3) leaching the sulfates from the reaction product with water.
Elger, Gerald. (1982). Purifying titanium-bearing slag by promoted sulfation (U.S. Patent No. 4362557). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4362557
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile