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:
Dec. 01, 2020
Filed:
Aug. 01, 2012
Howard S. Kravitz, Wayne, PA (US);
Barry J. Hostetter, Landenberg, PA (US);
Howard S. Kravitz, Wayne, PA (US);
Barry J. Hostetter, Landenberg, PA (US);
NanoPack, Inc., Wayne, PA (US);
Abstract
The invention provides coated substrates comprising a substrate and a barrier coating on at least one surface of the substrate. The barrier coating comprises (i) vermiculite, (ii) polymer capable of forming a film, (iii) chemical stabilizing agent selected from materials that contain cationic functionality selected from lithium, alkyl C-Cammonium, allyl ammonium, heterocylclic ammonium, morpholonium, ammonium and amino C-Calkyl carboxylic acids; lithium cations in combination with anions selected from carboxylic, phosphoric, phosphonic, sulfonic and fatty acids, lithium chelating agents, and lithium salts, ammonia, C-Camine, heterocyclic amines, lithium hydroxide, morpholine, and morpholine oleate; and (iv) cross-linking agent. The invention also provides articles coated with such coatings, methods and mixtures for making such coated substrates and articles.