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:
Jul. 17, 2018
Filed:
Aug. 22, 2012
Applicant:
David A. Barclay, Lake Charles, LA (US);
Inventor:
David A. Barclay, Lake Charles, LA (US);
Assignee:
Sasol Performance Chemicals GmbH, Hamburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/62 (2006.01); C09K 8/80 (2006.01); E21B 43/26 (2006.01); C09K 8/68 (2006.01); C09K 8/03 (2006.01); C09K 8/88 (2006.01); C09K 8/90 (2006.01);
U.S. Cl.
CPC ...
C09K 8/62 (2013.01); C09K 8/03 (2013.01); C09K 8/685 (2013.01); C09K 8/80 (2013.01); C09K 8/887 (2013.01); C09K 8/90 (2013.01); E21B 43/26 (2013.01); C09K 2208/10 (2013.01);
Abstract
A thixotropic agent comprised of a gel which is comprised of a polymeric organic material cross-linked with certain boehmite aluminas having a crystallite size of less than about 100 Å as measured on the 120 plane.