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:
Jan. 24, 1978
Filed:
Jun. 28, 1976
Applicant:
Inventor:
Julius P Gallus, Anaheim, CA (US);
Assignee:
Union Oil Company of California, Brea, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166293 ; 106 97 ;
Abstract
A high temperature cement system including a carbon-containing, low volatile material additive admixed with cement in proportions sufficient to provide a fixed carbon content of at least 0.02 wt.%. Additives include anthracite, calcined coke, uncalcined coke and burned oil shale.
Gallus, Julius. (1978). Method of cementing well casing using a high temperature cement system (U.S. Patent No. 4069870). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4069870
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile