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. 14, 1993
Filed:
Aug. 08, 1991
Applicant:
Inventors:
James W Gall, Bartlesville, OK (US);
Ollie G Buck, Bartlesville, OK (US);
Dennis R Kidd, Dewey, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ; C04B / ; C04B / ;
U.S. Cl.
CPC ...
588257 ; 588236 ; 588252 ; 588256 ; 588901 ; 106792 ; 106793 ; 106811 ; 501155 ; 405128 ;
Abstract
A waste material which contains chromium and/or lead impurities is treated by mixing the waste material with diatomaceous earth and/or sodium borate and then heating the mixture in a free oxygen containing gas at about 500.degree.-1500.degree. C., preferably in the presence of steam.
Quick Actions:
Gall, James. (1993). Reduced leaching of heavy metals from incinerator ashes (U.S. Patent No. 5245121). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5245121
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile