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:
Apr. 24, 2018
Filed:
Nov. 10, 2015
Sumitomo Chemical Company, Limited, Tokyo, JP;
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Abstract
A compound represented by formula (I), a resin including a structural unit derived from the compound and a resist composition including the resin: wherein Rrepresents a hydrogen atom, a halogen atom or a Cto Calkyl group in which a hydrogen atom may be replaced by a halogen atom, Rrepresents a Cto Cperfluoroalkyl group or *—CHRR, * represents a binding site to a carbonyl group, Rand Reach independently represent a Cto Cperfluoroalkyl group or Rand Rmay be bonded together with a carbon atom bonded thereto to form a ring, Arepresents a single bond, a Cto Calkanediyl group or **-A-X-(A-X)-(A)-, ** represents a binding site to an oxygen atom, A, A, Aand Aeach independently represent a Cto Calkanediyl group, Xand Xeach independently represent —O—, —CO—O— or —O—CO—, a and b each represent 0 or 1, and Wrepresents a Cto Cdivalent alicyclic hydrocarbon group.