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. 01, 2020
Filed:
Nov. 02, 2016
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Saswata Chakraborty, Oakdale, MN (US);
Jason D. Clapper, Lino Lake, MN (US);
Michael C. Palazzotto, Woodbury, MN (US);
Guy D. Joly, Shorview, MN (US);
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/02 (2006.01); C09K 11/70 (2006.01); C08F 2/38 (2006.01); C08K 3/32 (2006.01); C08L 33/08 (2006.01); C08F 283/12 (2006.01); C08F 220/18 (2006.01);
U.S. Cl.
CPC ...
C09K 11/02 (2013.01); C08F 2/38 (2013.01); C08F 220/18 (2013.01); C08F 283/12 (2013.01); C08K 3/32 (2013.01); C08L 33/08 (2013.01); C09K 11/70 (2013.01);
Abstract
A composite particle that includes: a fluorescent semiconductor core/shell nanoparticle (preferably, nanocrystal); and a stabilizing additive of a (meth)acrylate copolymer having pendent phosphine, arsine or stibine groups.