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:
Jun. 06, 2023
Filed:
Mar. 05, 2020
Jsr Corporation, Tokyo, JP;
Hiroki Nakatsu, Tokyo, JP;
Kazunori Takanashi, Tokyo, JP;
Kazunori Sakai, Tokyo, JP;
Yuushi Matsumura, Tokyo, JP;
Hiroki Nakagawa, Tokyo, JP;
JSR CORPORATION, Tokyo, JP;
Abstract
The composition contains a compound and a solvent. The compound includes a group represented by formula (1). The compound has a molecular weight of no less than 200 and has a percentage content of carbon atoms of no less than 40% by mass. In the formula (1), Rand Reach independently represent a hydrogen atom, a fluorine atom, a monovalent hydrocarbon group having 1 to 20 carbon atoms or a monovalent fluorinated hydrocarbon group having 1 to 20 carbon atoms, or Rand Rtaken together represent a part of an alicyclic structure having 3 to 20 ring atoms constituted together with the carbon atom to which Rand Rbond; Arrepresents a group obtained by removing (n+3) hydrogen atoms from an arene or heteroarene having 6 to 20 ring atoms; and X represents an oxygen atom, —CRR—, —CRR—O— or —O—CRR—.