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. 27, 2021
Filed:
May. 22, 2017
Toray Industries, Inc., Tokyo, JP;
Yuki Masuda, Otsu, JP;
Ryoji Okuda, Otsu, JP;
TORAY INDUSTRIES, INC., Tokyo, JP;
Abstract
The present invention provides a resin composition which can result in a cured film which has chemical resistance, low stress property, and high elongation property even by a heat treatment at a low temperature. The resin composition comprising an alkali-soluble resin (a) which contains a phenol skeleton having a crosslinking group and a phenol skeleton not having a crosslinking group and which has a weight average molecular weight in the range of 1,000 to 50,000, wherein the content ratio of the phenol skeleton having a crosslinking group to the total 100% by mole of structural units of the phenol skeleton having a crosslinking group and the phenol skeleton not having a crosslinking group is in the range of 5 to 90% by mole.