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. 08, 2016
Filed:
Sep. 19, 2012
Dow Global Technologies Llc, Midland, MI (US);
Rohm and Haas Company, Philadelphia, PA (US);
Sekhar Sundaram, Merion Station, PA (US);
Debkumar Bhattacharjee, Blue Bell, PA (US);
Jozef J. Van Dun, Horgen, CH;
Bradley A. Jacobs, Crystal Lake, IL (US);
Rajen M. Patel, Lake Jackson, TX (US);
Alexander Williamson, Rosharon, TX (US);
Dow Global Technologies LLC, Midland, MI (US);
Rohm and Haas Company, Philadelphia, PA (US);
Abstract
The invention provides a layered structure comprising at least two layers: A) a first layer A, formed from a composition A, comprising a polyurethane; and B) a second layer B, formed from a composition B, comprising at least one functionalized polymer B comprising the following: i) at least one polymerized monomeric unit comprising a functional group selected from the group consisting of the following: a) an acid group, b) an anhydride group, c) a primary or secondary amine group, and d) combinations thereof; or ii) at least one reacted functionalization agent comprising a functional group selected from the group consisting of the following: e) an acid group, f) an anhydride group, g) a primary or secondary amine group, and h) combinations thereof; or iii) combinations thereof; and wherein the functionalized polymer B has a number-average molecular weight greater than 1,000 g/mole, and/or a melt index (I2) less than, or equal to, 2500 g/10 min.