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:
Jul. 17, 1990
Filed:
Jul. 18, 1989
Applicant:
Inventors:
Michael J Zetlmeisl, St. Louis, MO (US);
Benjamin T Outlaw, St. Louis, MO (US);
Assignee:
Petrolite Corporation, St. Louis, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
25238923 ; 25238924 ; 252391 ;
Abstract
Corrosion of metal surfaces in contact with a hot hydrocarbon stock containing an appreciable amount of naphthenic acid is inhibited by the presence in the hydrocarbon stock of an effective corrosion inhibiting amount of a dialkyl or trialkyl phosphite, alone or together with a thiazoline.
Zetlmeisl, Michael. (1990). Corrosion inhibitors for use in hot hydrocarbons (U.S. Patent No. 4941994). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4941994
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile