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:
Sep. 12, 2023
Filed:
May. 28, 2019
Clariant International, Ltd., Muttenz, CH;
Scot Bodnar, Houston, TX (US);
Dan Smith, Spring, TX (US);
Felix Hoevelmann, Mühldorf, DE;
Corinna Krüger, Kirchheim, DE;
Matthias Krull, Harxheim, DE;
Jonathan James Wylde, The Woodlands, TX (US);
Lisa Greaney Tejada, Spring, TX (US);
Clariant International Ltd., Muttenz, CH;
Abstract
This invention relates to a method for inhibiting the agglomeration of gas hydrates, comprising the injection of an anti-agglomerant comprising a N,N-dialkyl-ammoniumalkyl fatty acid amide represented by the formula (I) wherein Ris an alkyl or alkenyl group having from 7 to 21 carbon atoms, Rand Rare each independently an alkyl group containing 1 to 10 carbon atoms, or together form an optionally substituted ring having 5 to 10 ring atoms, wherein the ring may carry up to 3 substituents, Ris hydrogen or an alkyl group having 1 to 6 carbon atoms, Ris hydrogen or an optionally substituted hydrocarbyl group having 1 to 17 carbon atoms and A is an alkylene group having two or three carbon atoms, into a fluid comprising gas, water and oil under conditions prone to the formation of gas hydrates, wherein the N,N-dialkyl-ammoniumalkyl fatty acid amide represented by the formula (I) is produced by the condensation reaction of a fatty acid with an N,N-dialkylamino alkyl amine and subsequent neutralization with a carboxylic acid.