US 12,351,672 B2
Chlorinated vinyl-chloride-based resin
Kento Murakami, Yamaguchi (JP); Norikazu Mashino, Yamaguchi (JP); Isao Higuchi, Osaka (JP); and Yasunari Kusaka, Osaka (JP)
Assigned to SEKISUI CHEMICAL CO., LTD., Osaka (JP); and TOKUYAMA SEKISUI CO., LTD., Osaka (JP)
Appl. No. 17/434,509
Filed by SEKISUI CHEMICAL CO., LTD., Osaka (JP); and TOKUYAMA SEKISUI CO., LTD., Osaka (JP)
PCT Filed Mar. 27, 2020, PCT No. PCT/JP2020/014257
§ 371(c)(1), (2) Date Aug. 27, 2021,
PCT Pub. No. WO2020/203862, PCT Pub. Date Oct. 8, 2020.
Claims priority of application No. 2019-068509 (JP), filed on Mar. 29, 2019.
Prior Publication US 2022/0127390 A1, Apr. 28, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C08F 8/22 (2006.01); C08F 114/06 (2006.01)
CPC C08F 8/22 (2013.01) [C08F 114/06 (2013.01)] 12 Claims
 
1. A chlorinated polyvinyl chloride resin having an average of a ratio (A/B) of a peak intensity A observed in a range of 660 to 700 cm−1 to a peak intensity B observed in a range of 600 to 650 cm−1 of 0.50 to 2.00 in Raman imaging measurement by Raman spectroscopy.