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. 04, 2017
Filed:
Jan. 11, 2011
Applicants:
Olivier Poncelet, Grenoble, FR;
Olivier Renard, Fontanil-Cornillon, FR;
Inventors:
Olivier Poncelet, Grenoble, FR;
Olivier Renard, Fontanil-Cornillon, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/04 (2006.01); B01J 13/08 (2006.01); D06M 23/08 (2006.01); D06M 23/12 (2006.01);
U.S. Cl.
CPC ...
G02B 1/04 (2013.01); B01J 13/08 (2013.01); D06M 23/08 (2013.01); D06M 23/12 (2013.01); D06M 2200/25 (2013.01); Y10T 442/2607 (2015.04);
Abstract
The invention relates to nanoparticles having a core that is fully or partially formed by at least one UV-absorbing organic compound in crystallized form and coated with an outer layer formed by at least one hydrophilic polymer, said UV-absorbing organic compound(s) and hydrophilic polymer(s) being associated in a weight ratio of organic compound(s) to hydrophilic polymer(s) varying between 0.2 and 0.4.