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. 29, 2014
Filed:
Feb. 05, 2009
Krishnaswamy Kasthuri Rangan, Fairfax, VA (US);
Cheryl Renee Verdecchio, Tabernacle, NJ (US);
Ramachandran Radhakrishnan, Fairfax, VA (US);
Tirumalai Srinivas Sudarshan, Vienna, VA (US);
Krishnaswamy Kasthuri Rangan, Fairfax, VA (US);
Cheryl Renee Verdecchio, Tabernacle, NJ (US);
Ramachandran Radhakrishnan, Fairfax, VA (US);
Tirumalai Srinivas Sudarshan, Vienna, VA (US);
Materials Modification, Inc., Fairfax, VA (US);
Abstract
A method of preparing a metal nitride and/or metal oxynitride particulate material includes heating a stoichiometric mixture of a metal compound and urea at a temperature of about 400-1000° C. for a predetermined time period in the presence of argon, nitrogen, or both. The particulate material produced includes nanoparticles, nanotubes, microparticles, powder, or a combination thereof.