EP 1527078 A2 20050504 - NOVEL PHOSPHONOCARBOXYLIC ACID ESTERS
Title (en)
NOVEL PHOSPHONOCARBOXYLIC ACID ESTERS
Title (de)
PHOSPHONOCARBONSÄUREESTERN
Title (fr)
NOUVEAUX ESTERS D'ACIDES PHOSPHONOCARBOXYLIQUES
Publication
Application
Priority
- GB 0302721 W 20030625
- GB 0214711 A 20020626
Abstract (en)
[origin: WO2004002994A2] Phosphono or phosphino acids, in which at least one carboxyl group is esterified with a C6-25 alkyl, alkaryl or alkenyl group, are effective as oil-soluble scale inhibitors, and as wax or asphaltene inhibitors or dispersants. A method for making and the use of the aforesaid esters is also disclosed.
IPC 1-7
IPC 8 full level
C02F 5/14 (2006.01); C07F 9/38 (2006.01); C09K 8/52 (2006.01); C09K 8/524 (2006.01); C11D 3/36 (2006.01); C23F 11/167 (2006.01)
CPC (source: EP)
C02F 5/14 (2013.01); C07F 9/3808 (2013.01); C07F 9/3869 (2013.01); C09K 8/52 (2013.01); C09K 8/524 (2013.01); C11D 3/365 (2013.01); C23F 11/167 (2013.01); C23F 11/1676 (2013.01)
Citation (search report)
See references of WO 2004002994A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2004002994 A2 20040108; WO 2004002994 A3 20040408; AU 2003240137 A1 20040119; AU 2003240137 A8 20040119; CA 2490931 A1 20040108; EP 1527078 A2 20050504; GB 0214711 D0 20020807; NO 20050394 L 20050125; RU 2005101765 A 20050627
DOCDB simple family (application)
GB 0302721 W 20030625; AU 2003240137 A 20030625; CA 2490931 A 20030625; EP 03732752 A 20030625; GB 0214711 A 20020626; NO 20050394 A 20050125; RU 2005101765 A 20030625