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.

Date of Patent:
Mar. 20, 1990

Filed:

Mar. 20, 1989
Applicant:
Inventors:

Philip K Hodgson, Walton-on-Thames, GB;

Julie A McShea, Shepperton, GB;

Edward J Tinley, Farnham, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C06 / ;
U.S. Cl.
CPC ...
208189 ; 208 47 ; 208204 ; 208206 ; 208207 ; 208236 ; 2082 / ; 208237 ; 208240 ; 252396 ; 423244 ; 423270 ; 423224 ; 166265 ; 166267 ; 175 64 ;
Abstract

Hydrogen sulphide is scavenged from a feedstock comprising crude oil and hydrogen sulphide by adding a compound of general formula ##STR1## to the feedstock. R is an alkyl group containing 1 to 18 carbon atoms, an aryl group, or an alkyl aryl group wherein the alkyl moiety contains 1 to 18 carbon atoms and L is a leaving group. Preferred scavengers include acetic anhydride and triacetamide.


Find Patent Forward Citations

Hodgson, Philip. (1990). Removal of hydrogen sulphides (U.S. Patent No. 4909925). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4909925

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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