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:
Mar. 06, 2018
Filed:
Jul. 29, 2016
Dow Global Technologies Llc, Midland, MI (US);
Rohm and Haas Electronic Materials Llc, Marlborough, MA (US);
Phillip D. Hustad, Midland, MI (US);
Jong Park, Marlborough, MA (US);
Jieqian Zhang, Marlborough, MA (US);
Vipul Jain, Marlborough, MA (US);
Jin Wuk Sung, Marlborough, MA (US);
DOW GLOBAL TECHNOLOGIES LLC, Midland, MI (US);
ROHM AND HAAS ELECTRONIC MATERIALS LLC, Marlborough, MA (US);
Abstract
Disclosed herein is a multi-layered article, comprising a substrate; and two or more layers disposed over the substrate, wherein each said layer comprises a block copolymer comprising a first block and a second block, wherein the first block comprises a repeat unit containing a hydrogen acceptor or a hydrogen donor, and the second block comprises a repeat unit containing a hydrogen donor when the repeat unit of the first block contains a hydrogen acceptor, or a hydrogen acceptor when the repeat unit of the first block contains a hydrogen donor; wherein the first block of an innermost of said two or more layers is bonded to the substrate, and the first block of each layer disposed over the innermost layer is bonded to the second block of a respective underlying layer; and wherein the hydrogen donor or hydrogen acceptor of the second block of an outermost said two or more layers is blocked.