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:
Sep. 04, 2018
Filed:
Dec. 02, 2014
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventor:
Dennis E. Vogel, Lake Elmo, MN (US);
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 11/02 (2006.01); C09K 11/88 (2006.01); C09K 11/56 (2006.01); C09K 11/70 (2006.01); B82Y 20/00 (2011.01);
U.S. Cl.
CPC ...
C09K 11/025 (2013.01); C09K 11/02 (2013.01); C09K 11/565 (2013.01); C09K 11/70 (2013.01); C09K 11/883 (2013.01); B82Y 20/00 (2013.01); Y10S 977/774 (2013.01); Y10S 977/95 (2013.01);
Abstract
A composite particle that includes: a fluorescent semiconductor core/shell nanoparticle (preferably, nanocrystal); and a phthalic acid derivative attached to the core/shell nanoparticle outer surface, wherein the phthalic acid derivative (prior to attachment to the nanoparticle) has the following Formula (I): wherein each R is independently a linear or branched alkyl group having 6 or more carbon atoms and wherein n is 1 or 2.