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:
Aug. 30, 2016
Filed:
Nov. 21, 2012
Applicant:
Basf Wintershall Holding Gmbh, Kassel, DE;
Inventors:
Assignee:
BASF Wintershall Holding GmbH, Kassel, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01F 17/00 (2006.01); C07C 41/03 (2006.01); C07C 43/23 (2006.01); C07C 51/41 (2006.01); C07C 59/68 (2006.01); C07C 59/72 (2006.01); C07C 67/26 (2006.01); C07C 69/734 (2006.01); C09K 8/584 (2006.01); C11D 1/72 (2006.01); E21B 43/16 (2006.01);
U.S. Cl.
CPC ...
C07C 43/23 (2013.01); B01F 17/0021 (2013.01); B01F 17/0028 (2013.01); C07C 41/03 (2013.01); C07C 51/412 (2013.01); C07C 59/68 (2013.01); C07C 59/72 (2013.01); C07C 67/26 (2013.01); C07C 69/734 (2013.01); C09K 8/584 (2013.01); C11D 1/72 (2013.01); E21B 43/16 (2013.01);
Abstract
Novel derivatives of tris(2-hydroxyphenyl)methanes which have, as functional groups, polyalkoxy groups unmodified or modified with terminal hydrophilic groups, preparation of such compounds and use thereof, especially for mineral oil production.