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:
Jun. 16, 2009
Filed:
Nov. 14, 2006
David B. Olson, Marine on St. Croix, MN (US);
Clinton L. Jones, Somerset, WI (US);
Brant U. Kolb, Afton, MN (US);
Emily S. Goenner, Shoreview, MN (US);
Mark J. Hendrickson, Minneapolis, MN (US);
Taun L. Mckenzie, Hugo, MN (US);
David B. Olson, Marine on St. Croix, MN (US);
Clinton L. Jones, Somerset, WI (US);
Brant U. Kolb, Afton, MN (US);
Emily S. Goenner, Shoreview, MN (US);
Mark J. Hendrickson, Minneapolis, MN (US);
Taun L. McKenzie, Hugo, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Presently described are (e.g. brightness enhancing film) optical articles comprising the reaction product of a polymerizable resin and surface modified inorganic nanoparticles, methods of surface modifying inorganic nanoparticles, and surface modified inorganic nanoparticles. The surface treatment comprises at least one monocarboxylic acid having a refractive index of at least 1.50 and/or at least one monocarboxylic acid having a Mn of at least 200 g/mole and an ethylenically unsaturated group and/or at least one dicarboxylic acid.