(19)
(11) EP 3 611 221 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
01.12.2021 Bulletin 2021/48

(45) Mention of the grant of the patent:
20.10.2021 Bulletin 2021/42

(21) Application number: 17931711.0

(22) Date of filing: 27.12.2017
(51) International Patent Classification (IPC): 
B29B 17/00(2006.01)
C08J 11/10(2006.01)
C08L 17/00(2006.01)
(52) Cooperative Patent Classification (CPC):
C08J 11/10; B29B 17/0026; C08L 2205/035; Y02P 70/10; C08J 11/12; B29B 7/484; B29B 7/823; B29B 7/88; B29B 7/7495; B29C 48/2888; C08J 2319/00; B29B 7/726; B29C 48/277; B29B 7/488; B29B 7/7461; B29B 7/7485; B29C 48/385; C08L 2205/03; C08L 2205/025; Y02W 30/62; B29C 48/022; B29C 48/40
(86) International application number:
PCT/CN2017/118796
(87) International publication number:
WO 2019/090938 (16.05.2019 Gazette 2019/20)

(54)

METHOD FOR PREPARING REGENERATED RUBBER BY MULTI-STAGE SCREW-BASED CONTINUOUS DESULFURIZATION

VERFAHREN ZUR HERSTELLUNG VON REGENERIERTEM KAUTSCHUK DURCH MEHRSTUFIGE KONTINUIERLICHE ENTSCHWEFELUNG AUF SCHRAUBBASIS

PROCÉDÉ DE PRÉPARATION DE CAOUTCHOUC RÉGÉNÉRÉ PAR DÉSULFURATION CONTINUE À BASE D'UNE VIS MULTI-ÉTAGES


(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

(30) Priority: 10.11.2017 CN 201711102594

(43) Date of publication of application:
19.02.2020 Bulletin 2020/08

(73) Proprietors:
  • Nanjing Green Gold Giant Rubber&plastic Hi-Tech Co., Ltd.
    Nanjing, Jiangsu 211899 (CN)
  • Beijing University Of Chemical Technology
    Beijing 100029 (CN)

(72) Inventors:
  • ZHANG, Liqun
    Beijing 100029 (CN)
  • REN, Dongyun
    Nanjing Jiangsu 211899 (CN)
  • SHI, Jinwei
    Nanjing Jiangsu 211899 (CN)
  • GE, Fengxing
    Nanjing Jiangsu 211899 (CN)
  • CHEN, Chengjie
    Nanjing Jiangsu 211899 (CN)
  • WANG, Fengxin
    Nanjing Jiangsu 211899 (CN)
  • WANG, Jie
    Nanjing Jiangsu 211899 (CN)
  • ZHANG, Zhiyu
    Nanjing Jiangsu 211899 (CN)
  • LU, Tao
    Nanjing Jiangsu 211899 (CN)
  • LIU, Xiaobo
    Nanjing Jiangsu 211899 (CN)
  • YANG, Xiaotong
    Beijing 100029 (CN)

(74) Representative: Sun, Yiming 
HUASUN Patent- und Rechtsanwälte Friedrichstraße 33
80801 München
80801 München (DE)


(56) References cited: : 
WO-A1-2006/079128
CN-A- 102 816 343
CN-A- 102 911 399
CN-A- 102 977 404
US-A1- 2012 004 331
CN-A- 101 508 795
CN-A- 102 816 343
CN-A- 102 911 399
US-A1- 2010 308 495
US-A1- 2016 272 778
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).