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:
Jun. 29, 2021
Filed:
Sep. 12, 2017
Braskem S.a., Camaçari, BR;
Universidade Federal DO Rio Grande DO Sul, Porto Alegre, BR;
Márcia Pires Fortes Ferreira, São Paulo, BR;
Leonardo Batista Ito, São Paulo, BR;
Luciane França De Oliveira, São Paulo, BR;
João Henrique Zimnoch dos Santos, Porto Alegre, BR;
Viviane Dalmoro, Porto Alegre, BR;
Braskem S.A., Camaçari, BR;
Universidade Federal do Rio Grande do Sul, Porto Alegre, BR;
Abstract
Polymeric compositions may include one or more adjunct polymers selected from a group of an ionomer and a polar polymer; and an intelligent additive, wherein when exposed to the external stimuli, the intelligent additive triggers a color change in the polymeric composition. Polymer compositions may include a nonpolar matrix polymer; one or more adjuncts selected from the group of an ionomer, a polar polymer, a metal salt, or combinations thereof. Polymer compositions may also include an intelligent additive, wherein when exposed to the external stimuli, the intelligent additive triggers a color change in the polymeric composition, wherein after at least 17 hours of exposure to the external stimuli, the polymer composition exhibits a ΔE of at least 8 or more, maintaining the ΔE of at least 8 or more for at least 5 days after the exposure to external stimulus is ceased.