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. 26, 1978
Filed:
Jun. 20, 1977
Applicant:
Inventors:
Kang Yang, Ponca City, OK (US);
John F Scamehorn, Ponca City, OK (US);
Assignee:
Continental Oil Company, Ponca City, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F / ;
U.S. Cl.
CPC ...
423264 ; 423265 ; 423630 ;
Abstract
A method of reducing discoloration of alumina which is caused by exposure of said alumina to high temperatures is disclosed. The method comprises adding an effective amount of an inorganic oxidizing agent (e.g. H.sub.2 O.sub.2 or NaOCl) to the alumina prior to exposing it to the high temperature.
Yang, Kang. (1978). Treatment of alumina to reduce discoloration (U.S. Patent No. 4117085). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4117085
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile