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:
Jan. 27, 2015
Filed:
Jun. 28, 2012
Robert A. Norwood, Tucson, AZ (US);
Palash Gangopadhyay, Tucson, AZ (US);
Alexander Ashton Miles, Tucson, AZ (US);
Jun Kato, Yokohama, JP;
Shabnam Virji-khalfan, Yorba Linda, CA (US);
Mamoru Miyawaki, Tucson, AZ (US);
Robert A. Norwood, Tucson, AZ (US);
Palash Gangopadhyay, Tucson, AZ (US);
Alexander Ashton Miles, Tucson, AZ (US);
Jun Kato, Yokohama, JP;
Shabnam Virji-Khalfan, Yorba Linda, CA (US);
Mamoru Miyawaki, Tucson, AZ (US);
The Arizona Board of Regents on Behalf of the University of Arizona, Tucson, AZ (US);
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A method of purifying a nanodiamond powder includes preparing the nanodiamond powder, heating the nanodiamond powder at between 450° C. and 470° C. in an atmosphere including oxygen, performing a hydrochloric acid treatment on the heated nanodiamond powder, and performing a hydrofluoric acid treatment on the nanodiamond powder obtained after performing the hydrochloric acid treatment.