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:
Oct. 03, 2017
Filed:
Dec. 03, 2015
Tokyo Ohka Kogyo Co., Ltd., Kawasaki-shi, JP;
Masahito Yahagi, Kawasaki, JP;
Takaya Maehashi, Kawasaki, JP;
Akiya Kawaue, Kawasaki, JP;
Issei Suzuki, Kawasaki, JP;
Tasuku Matsumiya, Kawasaki, JP;
Tsuyoshi Kurosawa, Kawasaki, JP;
Hitoshi Yamano, Kawasaki, JP;
TOKYO OHKA KOGYO CO., LTD., Kawasaki-Shi, JP;
Abstract
A brush composition used for phase-separation of a layer containing a block copolymer having plural kinds of blocks bonded formed on a substrate, the brush composition including a resin component, the resin component having a structural unit (u1) represented by genera formula (u1-1), and having a hydroxy group on at least one terminal portion of the main chain thereof: in formula (u1-1), R represents a hydrogen atom, an alkyl group of 1 to 5 carbon atoms or a halogenated alkyl group of 1 to 5 carbon atoms; Rrepresents a halogen atom, or a linear, branched or cyclic hydrocarbon group of 1 to 20 carbon atoms optionally containing an oxygen atom, a halogen atom or a silicon atom, or a combination of the linear, branched or cyclic hydrocarbon group; and p represents an integer of 1 to 5.