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. 29, 2020
Filed:
Feb. 15, 2016
Applicant:
Lamberti Spa, Albizzate, IT;
Inventors:
Laura Vigano, Parabiago, IT;
Luigi Merli, Saronno, IT;
Pierangelo Pirovano, Comerio, IT;
Valentina Langella, Milan, IT;
Mauro Riccaboni, Lagnano, IT;
Giovanni Floridi, Novara, IT;
Giuseppe Li Bassi, Gavirate, IT;
Assignee:
Lamberti SPA, Albizzate (VA), IT;
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/90 (2006.01); C09K 8/035 (2006.01); C09K 8/68 (2006.01); C09K 8/60 (2006.01); C09K 8/467 (2006.01); C08B 37/00 (2006.01); C09K 8/08 (2006.01); C09K 8/52 (2006.01);
U.S. Cl.
CPC ...
C09K 8/035 (2013.01); C08B 37/0087 (2013.01); C09K 8/08 (2013.01); C09K 8/467 (2013.01); C09K 8/52 (2013.01); C09K 8/608 (2013.01); C09K 8/68 (2013.01); C09K 8/90 (2013.01); C09K 2208/12 (2013.01);
Abstract
Method for inhibiting the swelling and the dispersion of shales in the treatment of subterranean shale formations comprising the use of a cationic tamarind gum and fluids for the treatment of subterranean shale formations comprising a cationic tamarind gum.