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:
Oct. 15, 2019
Filed:
May. 20, 2016
Applicant:
Massachusetts Institute of Technology, Cambridge, MA (US);
Inventors:
Angela M. Belcher, Lexington, MA (US);
Nurxat Nuraje, Brooklyn, NY (US);
Yu Lei, Waltham, MA (US);
Hiroshi Atsumi, Arlington, MA (US);
Xunpei Liu, Quincy, MA (US);
Assignee:
MASSACHUSETTS INSTITUTE OF TECHNOLOGY, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/584 (2006.01); E21B 43/10 (2006.01); E21B 47/06 (2012.01); E21B 43/16 (2006.01);
U.S. Cl.
CPC ...
C09K 8/584 (2013.01); C09K 2208/10 (2013.01);
Abstract
To deliver surfactants or tracers to underground oil fields, inorganic encapsulated surfactant nanoparticles or microparticles that are stable for several weeks under high temperature and high salt conditions can be used.