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:
Mar. 06, 2018
Filed:
Feb. 20, 2013
Applicant:
Sasol Olefins & Surfactants Gmbh, Hamburg, DE;
Inventors:
Heinz Napierala, Herten, DE;
Ludger Bosing, Dorsten, DE;
Assignee:
Sasol Performance Chemicals GmbH, Hamburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/02 (2006.01); E21B 21/00 (2006.01); C09K 8/36 (2006.01); C09K 8/28 (2006.01); C10G 1/04 (2006.01); E21B 21/01 (2006.01); E21B 21/06 (2006.01);
U.S. Cl.
CPC ...
C09K 8/36 (2013.01); C09K 8/28 (2013.01); C10G 1/04 (2013.01); E21B 21/012 (2013.01); E21B 21/065 (2013.01);
Abstract
The object of the present invention is a composition comprising amine compound and carboxylic acid compounds, wherein at least the amine compounds are alkoxylated, use thereof as a drilling fluid, and a method for using the drilling fluid.