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:
Nov. 12, 2013
Filed:
Apr. 29, 2010
Applicants:
Xiangling Xu, Pittsburgh, PA (US);
Noel R. Vanier, Wexford, PA (US);
Sean Purdy, Cincinnati, OH (US);
Inventors:
Xiangling Xu, Pittsburgh, PA (US);
Noel R. Vanier, Wexford, PA (US);
Sean Purdy, Cincinnati, OH (US);
Assignee:
PPG Industries Ohio, Inc., Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/19 (2006.01);
U.S. Cl.
CPC ...
Abstract
A thermally responsive material comprising an ordered periodic array of particles received in a substantially nonaqueous matrix composition. The material diffracts radiation in a first wavelength band when the material is at a first temperature and the material diffracts radiation in a second wavelength band when the material is at a second temperature.