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. 24, 2026
Filed:
Dec. 15, 2021
Merck Patent Gmbh, Darmstadt, DE;
Durairaj Baskaran, Bridgewater, NJ (US);
MD S. Rahman, Flemington, NJ (US);
Sachin Bobade, Somerville, NJ (US);
Edward W. Ng, Belle Mead, NJ (US);
Victor Monreal, Breinigsville, PA (US);
Eunjeong Jeong, Gyeonggi-do, KR;
Merck Patent GmbH, Darmstadt, DE;
Abstract
The disclosed subject matter relates to a block polymer comprising structure (1): (A)-(C)-(B), wherein (A) is a first polymer block segment comprising a block segment selected from structure (1a), structure (1b), and a mixture of structures (1a) an (1b), (C) is a spacer moiety comprising structure (1c); and wherein B) is a second polymer block segment comprising repeat units derived from either an alkyl 2-methylenealkanoate, a lactone; a cyclic carbonate, an oxirane, or an oxetane. The disclose matter also pertains to a composition of said block polymer in a spin casting solvent and using this solution in a process of directed self-assembly.