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:
Jul. 12, 2022
Filed:
Aug. 05, 2020
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventor:
Edward W. Ng, Belle Mead, NJ (US);
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 299/02 (2006.01); C08F 212/08 (2006.01); G03F 7/00 (2006.01); C08J 5/18 (2006.01); C08F 220/14 (2006.01);
U.S. Cl.
CPC ...
C08F 299/024 (2013.01); C08F 212/08 (2013.01); C08F 220/14 (2013.01); C08J 5/18 (2013.01); G03F 7/0002 (2013.01);
Abstract
The present invention relates to a novel styrenic polymer comprised of the repeat units of structures (I), (II), and (III), wherein R, Rand Rare individually selected from H or a C-1 to C-4 linear alkyl, R, Rand Rare individually selected from a C-1 to C-8 linear alkyl, a C-3 to C-8 linear alkyl and a C-3 to C-8 cyclic alkyl and to the novel composition comprised of this polymer and a spin on organic solvent. In another aspect of this invention it pertains to the use of this composition to create a grafted on a substrate, and a further aspect, this grafted film may be used in a directed self-assembly process.