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:
Aug. 23, 2011
Filed:
Mar. 13, 2009
Thomas Joseph Fyvie, Schenectady, NY (US);
David Gilles Gascoyne, Niskayuna, NY (US);
Andrea Jeannine Peters, Clifton Park, NY (US);
Marc Brian Wisnudel, Glen Rock, NJ (US);
Thomas Joseph Fyvie, Schenectady, NY (US);
David Gilles Gascoyne, Niskayuna, NY (US);
Andrea Jeannine Peters, Clifton Park, NY (US);
Marc Brian Wisnudel, Glen Rock, NJ (US);
NBCUniversal Media LLC, New York, NY (US);
Abstract
A thermochromic ink composition comprises at least one thermochromic optical-state change material, at least one thermally responsive pH modifier, and at least one base and at least one binder material. The quantity of the thermally responsive pH modifier is less than or equal to about 0.25 milli moles based on the amount of optical-state change material. The ink composition is capable of transforming from a first optical state to a second optical state upon exposure to a thermal stimulus. The thermochromic ink composition may comprise a nitro dye. A thermochromic coating composition formed using the thermochromic ink composition is also disclosed.