CORROSION AND GAS HYDRATE INHIBITION DURING TRANSPORT OF WATER AND A HYDROCARBON THROUGH A PIPELINE - Patent 1220821

(19)

(11)

EP 1 220 821 A1

(12)

(43)	Date of publication:
	10.07.2002 Bulletin 2002/28

(21)	Application number: 00947263.0

(22)	Date of filing: 13.07.2000

(51)	International Patent Classification (IPC)⁷: C07C 7/20

(86)	International application number:
	PCT/US0018/987

(87)	International publication number:
	WO 0127/055 (19.04.2001 Gazette 2001/16)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

(30)

Priority:

12.10.1999 US 415657
12.10.1999 US 416307

(71)	Applicant: ISP INVESTMENTS INC.
	Wilmington,Delaware 19801 (US)

(72)	Inventors:
	BAKEEV, Kirill N. Wilmington, DE 19808 (US) CHUANG, Jui-Chang Wayne, NJ 07470 (US) WINKLER, Thomas Maywood, NJ 07607 (US) DRZEWINSKI, Michael, A. Long Valley, NJ 07853 (US) GRAHAM, David, E. Long Valley, NJ 07853 (US)

(74)	Representative: Harrison, David Christopher et al
	MEWBURN ELLISYork House23 Kingsway London WC2B 6HP London WC2B 6HP (GB)

(54)	CORROSION AND GAS HYDRATE INHIBITION DURING TRANSPORT OF WATER AND A HYDROCARBON THROUGH A PIPELINE