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:
Nov. 02, 2021
Filed:
Oct. 09, 2018
Applicant:
Clariant International, Ltd., Muttenz, CH;
Inventors:
Nirupam Purkayastha, Bad Soden, DE;
Zachary Thomas Ward, Spring, TX (US);
Fabian Schneider, Eppelheim, DE;
Dirk Leinweber, Kelkheim, DE;
Matthias Krull, Harxheim, DE;
Jonathan James Wylde, The Woodlands, TX (US);
Assignee:
Clariant International Ltd., Muttenz, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 233/36 (2006.01); C07D 295/13 (2006.01);
U.S. Cl.
CPC ...
C07C 233/36 (2013.01); C07D 295/13 (2013.01);
Abstract
The instant invention concerns a gas hydrate inhibitor comprising an N alkyl N' (N″,N″-dialkylammoniumalkyl)dicarboxylic acid diamide salt represented by the formula (I) wherein