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:
Apr. 17, 1984
Filed:
Nov. 27, 1981
Applicant:
Inventor:
Richard B Barrett, Chatham, NJ (US);
Assignee:
Exxon Research and Engineering Co., Florham Park, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; E21B / ; E21C / ;
U.S. Cl.
CPC ...
405263 ; 299-5 ;
Abstract
Leached formations having residual soluble uranium minerals therein are restored by treating the formation under alkaline conditions with a source of phosphate ion whereby insoluble uranium phosphate compounds are formed thereby lowering the residual soluble uranium levels below that existing prior to restoration and the formation, and preferably to levels below about 5 milligrams per liter.
Barrett, Richard. (1984). Method for achieving acceptable u.sub.3 o.sub.8 levels in a restored (U.S. Patent No. 4443133). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4443133
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile