US 12,391,777 B2
Terpolymer of ethylene and 1,3-dienes
Emma Moreso, Clermont-Ferrand (FR); and Vincent Lafaquiere, Clermont-Ferrand (FR)
Assigned to COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand (FR)
Appl. No. 17/641,931
Filed by COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand (FR)
PCT Filed Sep. 17, 2020, PCT No. PCT/EP2020/075933
§ 371(c)(1), (2) Date Aug. 17, 2022,
PCT Pub. No. WO2021/053051, PCT Pub. Date Mar. 25, 2021.
Claims priority of application No. 1910303 (FR), filed on Sep. 18, 2019.
Prior Publication US 2022/0389136 A1, Dec. 8, 2022
Int. Cl. C08F 210/02 (2006.01); B60C 1/00 (2006.01); C08F 4/54 (2006.01); C08F 236/06 (2006.01); C08F 236/22 (2006.01)
CPC C08F 210/02 (2013.01) [B60C 1/00 (2013.01); C08F 4/545 (2013.01); C08F 236/06 (2013.01); C08F 236/22 (2013.01); C08F 2420/00 (2013.01); C08F 2500/36 (2021.01); C08F 2800/10 (2013.01)] 17 Claims
 
1. A terpolymer of ethylene, of a first 1,3-diene having from 4 to 6 carbon atoms and of a second 1,3-diene of formula (I), which terpolymer contains more than 50 mol % of ethylene units and at least 1 mol % of units of the second 1,3-diene,
CH2═CR-CH═CH2   (I)
the symbol R representing a hydrocarbon chain having from 3 to 20 carbon atoms.