(19)
(11) EP 3 947 480 A1

(12)

(43) Date of publication:
09.02.2022 Bulletin 2022/06

(21) Application number: 20720578.2

(22) Date of filing: 23.03.2020
(51) International Patent Classification (IPC): 
C08F 210/06(2006.01)
(52) Cooperative Patent Classification (CPC):
C08F 10/00; C08F 2400/02
 
C-Sets:
  1. C08F 10/00, C08F 2/01;
  2. C08F 10/00, C08F 2/001;
(86) International application number:
PCT/US2020/024226
(87) International publication number:
WO 2020/205311 (08.10.2020 Gazette 2020/41)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 05.04.2019 US 201962829750 P
10.05.2019 EP 19173838

(71) Applicant: ExxonMobil Chemical Patents Inc.
Baytown, TX 77520 (US)

(72) Inventors:
  • HONG, Yifeng
    Houston, TX 77008 (US)
  • REIMERS, Jay, L.
    Houston, TX 77004 (US)

(74) Representative: ExxonMobil Chemical Europe Inc. 
IP Law Europe Hermeslaan 2
1831 Machelen
1831 Machelen (BE)

   


(54) BROAD MOLECULAR WEIGHT DISTRIBUTION POLYMER PRODUCT FROM LOOP REACTORS WITH INTENTIONAL THERMAL GRADIENTS