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:
Dec. 02, 2025
Filed:
Mar. 29, 2021
Sekisui Chemical Co., Ltd., Osaka, JP;
Nozomi Eguchi, Yamaguchi, JP;
Kenichi Matsumura, Yamaguchi, JP;
Isao Higuchi, Osaka, JP;
Yasunari Kusaka, Osaka, JP;
SEKISUI CHEMICAL CO., LTD., Osaka, JP;
Abstract
The present invention provides a chlorinated polyvinyl chloride resin that provides a molded article having excellent heat cycle characteristics and excellent weather resistance, as well as a resin composition for molding and a molded article each including the chlorinated polyvinyl chloride resin. Provided is a chlorinated polyvinyl chloride resin having an average of a ratio (A/B) of a peak intensity A observed in a range of 300 to 340 cmto a peak intensity B observed in a range of 1,450 to 1,550 cmof 3.5 to 40.0 in Raman imaging measurement by Raman spectroscopy.