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:
May. 09, 2017
Filed:
Aug. 20, 2015
Applicant:
Purdue Research Foundation, West Lafayette, IN (US);
Inventors:
Alexander Wei, West Lafayette, IN (US);
Jonathan G Mehtala, Lafayette, IN (US);
Assignee:
PURDUE RESEARCH FOUNDATION, West Lafayette, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 13/00 (2006.01); B82Y 40/00 (2011.01);
U.S. Cl.
CPC ...
B01J 13/0034 (2013.01); B01J 13/0043 (2013.01); B01J 13/0086 (2013.01); B82Y 40/00 (2013.01);
Abstract
The present disclosure relates to the cleansing of nanoparticles in aqueous cationic surfactant solutions, including polyalkylammonium salts such as cetyltrimethylammonium bromide, as demonstrated by surfactant exchange, followed by the addition of peptizing agents to stabilize the cleansed nanoparticle solutes.