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. 07, 2015
Filed:
Nov. 20, 2012
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventor:
Charlie C. Ho, Woodbury, MN (US);
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 7/02 (2006.01); B32B 27/40 (2006.01); C09D 175/04 (2006.01); C08J 7/04 (2006.01); B29C 39/00 (2006.01); C08K 3/00 (2006.01); C08K 7/00 (2006.01);
U.S. Cl.
CPC ...
C09J 7/0282 (2013.01); Y10T 428/25 (2015.01); C09D 175/04 (2013.01); C08K 3/0033 (2013.01); C09J 7/0296 (2013.01); C08K 7/00 (2013.01); C09J 2201/162 (2013.01); C09J 2203/306 (2013.01); C09J 2205/106 (2013.01); C09J 2475/006 (2013.01); C08J 7/042 (2013.01); B29C 39/003 (2013.01);
Abstract
Described herein is a method of making a multi-layer article and paint protective films, wherein a mixture comprising a polyurethane coating solution and a plurality of nanoparticles is coated onto a casting liner to form a first layer; and a thermoplastic polyurethane is disposed onto the first layer opposite the casting liner. Multi-layer articles by the process of the present disclosure have been found to be resistant to compositions comprising strong acids and/or a functionalized organosilane.