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. 14, 2017
Filed:
Oct. 27, 2016
Applicant:
E I Du Pont DE Nemours and Company, Wilmington, DE (US);
Inventors:
William Brown Farnham, Hockessin, DE (US);
Michael Thomas Sheehan, Corpus Christi, TX (US);
Hoang Vi Tran, Wilmington, DE (US);
Daqing Zhang, Wilmington, DE (US);
Assignee:
E I DU PONT DE NEMOURS AND COMPANY, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 293/00 (2006.01); C08G 83/00 (2006.01); B05D 1/00 (2006.01); B05D 1/02 (2006.01); B05D 1/18 (2006.01);
U.S. Cl.
CPC ...
C08G 83/003 (2013.01); B05D 1/005 (2013.01); B05D 1/02 (2013.01); B05D 1/18 (2013.01); C08F 293/005 (2013.01); C08F 2438/03 (2013.01);
Abstract
In a first aspect, a composition of matter includes a substantially symmetrical 3-arm star block copolymer having a central core and diblock copolymer arms having inner blocks and outer blocks. In a second aspect, an article includes a substrate, a block copolymer composition on the substrate, and a neutral layer between the substrate and the block copolymer composition.