(19)
(11) EP 3 613 727 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:
20.04.2022 Bulletin 2022/16

(45) Mention of the grant of the patent:
16.03.2022 Bulletin 2022/11

(21) Application number: 18802338.6

(22) Date of filing: 16.05.2018
(51) International Patent Classification (IPC): 
C07C 231/12(2006.01)
C07D 295/185(2006.01)
 C07C 233/09(2006.01)
(52) Cooperative Patent Classification (CPC):
C07C 231/12; C07D 295/185; C08F 2/46; C08F 20/54; C08F 20/58; C07C 231/02; C07C 2601/14
 
C-Sets:
  1. C07C 231/12, C07C 233/31;
  2. C07C 231/12, C07C 233/41;
  3. C07C 231/12, C07C 233/09;
  4. C07C 231/02, C07C 233/03;
  5. C07C 231/12, C07C 233/20;
  6. C07C 231/12, C07C 233/38;
(86) International application number:
PCT/CN2018/087132
(87) International publication number:
WO 2018/210274 (22.11.2018 Gazette 2018/47)

(54)

PREPARATION METHOD FOR CO-PRODUCING ACRYLAMIDE AND FORMAMIDE COMPOUNDS

HERSTELLUNGSVERFAHREN ZUR COPRODUKTION VON ACRYLAMID- UND FORMAMIDVERBINDUNGEN

PROCÉDÉ DE PRÉPARATION POUR LA COPRODUCTION DE COMPOSÉS D'ACRYLAMIDE ET DE FORMAMIDE

(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: 18.05.2017 CN 201710376213

(43) Date of publication of application:
26.02.2020 Bulletin 2020/09

(73) Proprietor: Shenzhen Youwei Technology Holdings Group CO., LTD.
Shenzhen, Guangdong 518000 (CN)

(72) Inventors:
  • WANG, Zhigang
    Shenzhen Guangdong 518000 (CN)
  • DING, Haoyu
    Shenzhen Guangdong 518000 (CN)
  • HU, Langxi
    Shenzhen Guangdong 518000 (CN)

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


(56) References cited: : 
CN-A- 101 143 832
CN-A- 103 772 324
JP-A- 2015 101 552
 CN-A- 101 143 832
CN-A- 103 772 324
   
       
    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).