(19)
(11) EP 1 527 078 A2

(12)

(88) Date of publication A3:
08.04.2004

(43) Date of publication:
04.05.2005 Bulletin 2005/18

(21) Application number: 03732752.5

(22) Date of filing: 25.06.2003
(51) International Patent Classification (IPC)7C07F 9/38, C02F 5/14, E21B 37/06, C10L 3/00, C23F 11/167
(86) International application number:
PCT/GB2003/002721
(87) International publication number:
WO 2004/002994 (08.01.2004 Gazette 2004/02)
(84) Designated Contracting States:
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
Designated Extension States:
AL LT LV MK

(30) Priority: 26.06.2002 GB 0214711

(71) Applicant: RHODIA CONSUMER SPECIALTIES LIMITED
Hertfordshire WD24 4QP (GB)

(72) Inventors:
  • WOODWARD, Gary
    Cheshire CW9 5QR (GB)
  • JONES, Christopher, Raymond
    West Midlands WS6 7BS (GB)
  • DAVIS, Keith, Philip
    Staffordshire DY7 6BP (GB)

(74) Representative: Johnson, Yvonne Catherine 
Barker Brettell138 Hagley RoadEdgbaston
Birmingham B16 9PW
Birmingham B16 9PW (GB)

   


(54) NOVEL PHOSPHONOCARBOXYLIC ACID ESTERS