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. 02, 2014
Filed:
Mar. 16, 2007
Applicants:
Martin Hellsten, Ödsmål, SE;
Hans Oskarsson, Stenungsund, SE;
Inventors:
Martin Hellsten, Ödsmål, SE;
Hans Oskarsson, Stenungsund, SE;
Assignee:
Akzo Nobel N.V., Arnhem, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 3/00 (2006.01); C04B 33/04 (2006.01); E21B 43/28 (2006.01); C09K 8/54 (2006.01); C07C 233/00 (2006.01); C07C 235/00 (2006.01); C07C 237/00 (2006.01); C07C 239/00 (2006.01); C07C 9/00 (2006.01); F17D 1/16 (2006.01); F17D 1/18 (2006.01); C09K 8/524 (2006.01); C09K 8/52 (2006.01);
U.S. Cl.
CPC ...
C09K 8/52 (2013.01); C09K 2208/22 (2013.01); C09K 8/524 (2013.01);
Abstract
The present invention relates to the use of a specific group of alkoxylated and/or acylated non-quaternary nitrogen-containing compounds as anti-agglomerants for gas hydrates. The invention also relates to a method for inhibiting the agglomeration of gas hydrates in a conduit, and compositions comprising the gas hydrate anti-agglomerant, a corrosion inhibitor and/or a paraffin deposition inhibitor.