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:
Apr. 16, 2013
Filed:
Apr. 28, 2011
Steven Allen Carlson, Cambridge, MA (US);
David W. Avison, Townsend, MA (US);
Ifenna Kingsley Anakor, East Boston, MA (US);
Greg Robert Farrell, Sudbury, MA (US);
Samuel Lim, Lynn, MA (US);
Richard D'amato, South Hadley, MA (US);
Steven Allen Carlson, Cambridge, MA (US);
David W. Avison, Townsend, MA (US);
Ifenna Kingsley Anakor, East Boston, MA (US);
Greg Robert Farrell, Sudbury, MA (US);
Samuel Lim, Lynn, MA (US);
Richard D'Amato, South Hadley, MA (US);
Madico, Inc., Woburn, MA (US);
Optodot Corporation, Watertown, MA (US);
Abstract
Provided are infrared reflective films comprising a substrate and at least one infrared reflective layer comprising an aminium radical cation compound in a crystalline state and an organic polymer, wherein the infrared reflective layer has a reflectance peak in the infrared region from 1250 nm to 1700 nm. Such infrared films are stable in their optical properties against degradation by light and moisture. Also provided are solar control window films, security markings, and other optical articles comprising such infrared reflective films. Further provided are methods for making such infrared reflective films.