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:
Mar. 03, 1987
Filed:
Sep. 24, 1985
Applicant:
Inventor:
Vitold R Kruka, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166304 ; 134 2212 ; 134 2214 ; 252-8552 ;
Abstract
Solid wax-containing material deposited on pipeline walls, well tubing, etc., are removed by contacting the deposited wax with a mixture of a dispersant-type surfactant and light hydrocarbon at ambient temperatures.
Kruka, Vitold. (1987). Process for removal of wax deposits (U.S. Patent No. 4646837). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4646837
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile