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. 14, 2014
Filed:
May. 31, 2006
Applicants:
Changzai Chi, Hockessin, DE (US);
Daniel Albert Green, Moylan, PA (US);
Kurt Richard Mikeska, Hockessin, DE (US);
Lee A. Silverman, Newark, DE (US);
Inventors:
Changzai Chi, Hockessin, DE (US);
Daniel Albert Green, Moylan, PA (US);
Kurt Richard Mikeska, Hockessin, DE (US);
Lee A. Silverman, Newark, DE (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/08 (2006.01); C09K 11/61 (2006.01); C01F 1/00 (2006.01); C01F 5/26 (2006.01); C01F 11/20 (2006.01); C01D 3/02 (2006.01); C01F 5/28 (2006.01); C01F 11/22 (2006.01); C01F 17/00 (2006.01); C09K 11/77 (2006.01); B82Y 30/00 (2011.01);
U.S. Cl.
CPC ...
C01F 17/0031 (2013.01); C01P 2004/52 (2013.01); C01P 2004/64 (2013.01); C01P 2002/84 (2013.01); C01P 2002/52 (2013.01); C09K 11/7791 (2013.01); C09K 11/7733 (2013.01); C09K 11/7757 (2013.01); C01F 11/22 (2013.01); C09K 11/7705 (2013.01); C09K 11/7748 (2013.01); B82Y 30/00 (2013.01); C01F 17/0062 (2013.01); C01P 2004/04 (2013.01);
Abstract
The invention is directed to a process of combining an aqueous solution of a fluoride with an aqueous solution of a host multi-valent metal salt and an aqueous solution of a salt forming a reactant mixture resulting in a precipitate of aqueously insoluble rare-earth doped multi-valent metal fluoride nanoparticles.