	US 12,152,149 B2
	Asphalt composition
Hirotaka Kashiwagi, Wakayama (JP); and Hiroki Kakiuchi, Wakayama (JP)
Assigned to KAO CORPORATION, Tokyo (JP)
Appl. No. 18/289,385
Filed by KAO CORPORATION, Tokyo (JP)
PCT Filed Jul. 13, 2022, PCT No. PCT/JP2022/027539 § 371(c)(1), (2) Date Nov. 3, 2023, PCT Pub. No. WO2023/286797, PCT Pub. Date Jan. 19, 2023.
Claims priority of application No. 2021-115891 (JP), filed on Jul. 13, 2021.
Prior Publication US 2024/0279474 A1, Aug. 22, 2024
Int. Cl. C08L 95/00 (2006.01); C08G 69/44 (2006.01); E01C 7/26 (2006.01); E01C 19/48 (2006.01)

CPC C08L 95/00 (2013.01) [C08G 69/44 (2013.01); E01C 7/26 (2013.01); C08L 2555/22 (2013.01); C08L 2555/24 (2013.01); C08L 2555/80 (2013.01); E01C 19/4873 (2013.01)]

20 Claims

1. An asphalt composition, comprising:

an asphalt and an asphalt modifier,

wherein the asphalt modifier comprises a polyesteramide that contains an alcohol component-derived structural unit, a carboxylic acid component-derived structural unit, and a polyamide component-derived structural unit.