US 12,110,368 B2
Polyarylene ether sulfone
Martin Weber, Ludwigshafen am Rhein (DE); Christian Maletzko, Ludwigshafen am Rhein (DE); and Rene Backes, Ludwigshafen am Rhein (DE)
Assigned to BASF SE, Ludwigshafen am Rhein (DE)
Appl. No. 17/275,070
Filed by BASF SE, Ludwigshafen am Rhein (DE)
PCT Filed Sep. 6, 2019, PCT No. PCT/EP2019/073783
§ 371(c)(1), (2) Date Mar. 10, 2021,
PCT Pub. No. WO2020/053077, PCT Pub. Date Mar. 19, 2020.
Claims priority of application No. 18193780 (EP), filed on Sep. 11, 2018.
Prior Publication US 2022/0056216 A1, Feb. 24, 2022
Int. Cl. C08G 75/23 (2006.01); A23L 2/74 (2006.01); B01D 69/08 (2006.01); B01D 71/68 (2006.01); C02F 1/44 (2023.01); C08G 65/40 (2006.01); D01F 6/76 (2006.01)
CPC C08G 75/23 (2013.01) [A23L 2/74 (2013.01); B01D 69/08 (2013.01); B01D 71/68 (2013.01); C02F 1/44 (2013.01); C08G 65/4056 (2013.01); D01F 6/765 (2013.01); A23V 2002/00 (2013.01); D10B 2505/04 (2013.01)] 15 Claims
 
1. A polyarylene ether sulfone comprising in polymerized form
A) isosorbide, isomannide, isoidide or a mixture thereof and
B) at least one at least one nonsulfonated dihalodiaryl sulfone (compound B) and
C) at least one sulfonated dihalodiaryl sulfone (compound C) and
D) at least one tri- or higher functional monomer.