PROCESS FOR STABILIZED ZIRCONIUM TRIETHANOLAMINE COMPLEX AND USES IN OIL FIELD APPLICATIONS

(19)

(11)

EP 2 111 407 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:
	13.09.2017 Bulletin 2017/37

(45)	Mention of the grant of the patent:
	02.08.2017 Bulletin 2017/31

(21)	Application number: 07867797.8

(22)	Date of filing: 18.12.2007

(51)

International Patent Classification (IPC):

C07F 7/00^(2006.01)
C09K 8/68^(2006.01)

C09K 8/512^(2006.01)

(86)	International application number:
	PCT/US2007/025803

(87)	International publication number:
	WO 2008/082505 (10.07.2008 Gazette 2008/28)

(54)

PROCESS FOR STABILIZED ZIRCONIUM TRIETHANOLAMINE COMPLEX AND USES IN OIL FIELD APPLICATIONS

VERFAHREN ZUR HERSTELLUNG EINES STABILISIERTEN ZIRKON-TRIETHANOLAMIN-KOMPLEXES UND SEINE VERWENDUNG IN ÖLFELDANWENDUNGEN

PROCÉDÉ POUR L'OBTENTION D'UN COMPLEXE DE ZIRCONIUM ET TRIÉTHANOLAMINE STABILISÉ ET UTILISATION DE CE DERNIER DANS DES APPLICATIONS DE CHAMP PÉTROLIFÈRE

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

(30)

Priority:

21.12.2006 US 643120

(43)	Date of publication of application:
	28.10.2009 Bulletin 2009/44

(73)	Proprietor: Dorf Ketal Speciality Catalysts, LLC
	Houston, TX 77042 (US)

(72)	Inventor:
	PUTZIG, Donald, Edward Newark, Delaware 19711 (US)

(74)	Representative: Carpintero Lopez, Francisco et al
	Herrero & Asociados, S.L. Cedaceros 1 28014 Madrid 28014 Madrid (ES)

(56)

References cited: :

US-A- 4 477 360
US-A- 4 683 068
US-A- 5 849 674

US-A- 4 578 488
US-A- 5 273 580
US-A1- 2004 211 568

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).