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. 20, 2011
Filed:
Apr. 30, 2007
Applicants:
Howard S. Kravitz, Wayne, PA (US);
Fred Levitt, Wayne, PA (US);
Inventors:
Howard S. Kravitz, Wayne, PA (US);
Fred Levitt, Wayne, PA (US);
Assignee:
NanoPack, Inc., Wayne, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/18 (2006.01); B32B 27/20 (2006.01); B32B 27/26 (2006.01); B32B 27/30 (2006.01); B32B 27/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides coated substrates comprising a substrate; and a coating on at least one surface of the substrate comprising vermiculite, polymer capable of forming a film, dispersion agent for the vermiculite in the polymer, said dispersion agent bearing a negative charge, and cross-linking agent. The invention also provides articles coated with such coatings and methods for making the coated substrates and articles.