(19)
(11) EP 3 623 500 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:
09.07.2025 Bulletin 2025/28

(45) Mention of the grant of the patent:
04.06.2025 Bulletin 2025/23

(21) Application number: 19200597.3

(22) Date of filing: 11.02.2015
(51) International Patent Classification (IPC): 
C23F 15/00(2006.01)
C23F 14/02(2006.01)
C02F 1/70(2023.01)
 C01B 25/235(2006.01)
C01B 25/22(2006.01)
C02F 5/12(2023.01)
(52) Cooperative Patent Classification (CPC):
C02F 1/70; C02F 5/12; C23F 14/02; C23F 15/005; C01B 25/235; C01B 25/22

(54)

PRIMARY AMINE-CONTAINING POLYMERS USEFUL AS SCALE INHIBITORS

ALS KESSELSTEININHIBITOREN NÜTZLICHE POLYMERE MIT PRIMÄREM AMIN

POLYMÈRES CONTENANT DES AMINES PRIMAIRES UTILES EN TANT QU'INHIBITEURS DE TARTRE

(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: 11.02.2014 US 201461938235 P

(43) Date of publication of application:
18.03.2020 Bulletin 2020/12

(62) Application number of the earlier application in accordance with Art. 76 EPC:
15706619.2 / 3105367

(73) Proprietor: Cytec Industries Inc.
Lawrence, NJ 08648 (US)

(72) Inventors:
  • ZHANG, Lei
    Stamford, Connecticut 06902 (US)
  • CARR, John
    Geneva, IL 60134 (US)
  • CHEN, Haunn-Lin, Tony
    Morganville, New Jersey 07751 (US)

(74) Representative: Roussel, Sandrine 
Specialty Operations France Intellectual Assets Management 52, rue de la Haie Coq
93306 Aubervilliers Cedex
93306 Aubervilliers Cedex (FR)


(56) References cited: : 
WO-A1-2011/038108
US-A- 4 328 106
 WO-A1-2012/128755
   
       
    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).