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. 29, 2016
Filed:
Dec. 12, 2012
Tetra Laval Holdings & Finance S.a., Pully, CH;
Anthony Jarvis, Cheshire, GB;
Chris Wyres, Cheshire, GB;
Ladislav Hurdalek, Lund, SE;
Marcus Rehberger, Malmö, SE;
Tetra Laval Holdings & Finance S.A., Pully, CH;
Abstract
A substrate coated with a markable ink formulation, comprising a thermo activated acid generator (TAG) and a halochromic leuco dye. The thermo activated acid generator is selected form the group consisting of: an amine salt of an organic metal compound comprising boron or silicone and amine neutralized polyalkylnaphthalene polysulphonic acid derivatives. Further, the substrate is covered by a thermoplastic polymer layer, such that the ink formulation is situated between the substrate and the thermoplastic polymer layer and/or in the thermoplastic polymer layer.