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:
Jan. 31, 2017
Filed:
May. 14, 2009
Naiyong Jing, Woodbury, MN (US);
Roxanne A. Boehmer, Inver Grove Heights, MN (US);
Xue-hua Chen, Shanghai, CN;
Zhigang Yu, Shanghai, CN;
Ying Zhang, Shanghai, CN;
Dang Xie, Shanghai, CN;
Bangwei Xi, Shanghai, CN;
Naiyong Jing, Woodbury, MN (US);
Roxanne A. Boehmer, Inver Grove Heights, MN (US);
Xue-hua Chen, Shanghai, CN;
Zhigang Yu, Shanghai, CN;
Ying Zhang, Shanghai, CN;
Dang Xie, Shanghai, CN;
Bangwei Xi, Shanghai, CN;
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A method of coating with an aqueous coating composition having a pH <5 of silica nanoparticles having a, average particle diameter of ≦40 nm, silica nanoparticles having an average particle diameter of ≧50 nm, and a tetraalkoxysilane. The resulting coatings are substantially uniform in thickness, durably adheres to the substrate, and provides antireflection and or hydrophilic surface properties to the substrate.