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. 28, 2026
Filed:
Jun. 15, 2023
Applicant:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Inventor:
Yahua Bao, Provo, UT (US);
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/65 (2006.01); B01J 3/06 (2006.01); C01B 32/28 (2017.01); C03C 17/22 (2006.01);
U.S. Cl.
CPC ...
C09K 11/65 (2013.01); B01J 3/062 (2013.01); C01B 32/28 (2017.08); C03C 17/22 (2013.01); B01J 2203/0655 (2013.01); B01J 2203/0695 (2013.01); C01P 2006/60 (2013.01); C03C 2217/42 (2013.01); C03C 2217/70 (2013.01); C03C 2218/111 (2013.01); C03C 2218/116 (2013.01); C03C 2218/32 (2013.01);
Abstract
Luminescent diamond is made by creating vacancies in diamond grains and heat treating the diamond grains by controlling a thickness of the diamond grains on a substrate. The heat treatment may occur in a temperature range that does not burn the diamond grains, and the controlled thickness produces an even color change and/or promotes oxygen terminations on the diamond particle surfaces.