(19)
(11) EP 1 151 062 A1

(12)

(43) Date of publication:
07.11.2001 Bulletin 2001/45

(21) Application number: 99966612.6

(22) Date of filing: 22.12.1999
(51) International Patent Classification (IPC)7: C10M 137/06, C10M 137/08, C10M 173/00, C07F 9/11
// (C10M173/00, 137:06), C10M137:08,(C10N30/06, 40:08, 40:20, 40:25)
(86) International application number:
PCT/US9930/762
(87) International publication number:
WO 0037/591 (29.06.2000 Gazette 2000/26)
(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: 23.12.1998 US 113389 P

(71) Applicant: RHODIA INC.
Cranbury,New Jersey 08512-7500 (US)

(72) Inventors:
  • WERNER, James, J. DI
    deceased (US)
  • REIERSON, Robert, Lee
    Cranbury, NJ 08512 (US)
  • JOYE, Jean-Luc
    Cranbury, NJ 08512 (US)

(74) Representative: Kyle, Diana 
Elkington and FifeProspect House8 Pembroke Road
Sevenoaks, Kent TN13 1XR
Sevenoaks, Kent TN13 1XR (GB)

   


(54) PHOSPHATE ESTER COMPOSITIONS IN A WEIGHT RATIO GREATER THAN 1:1 MONOALKYL TO DIALKYL PHOSPHATE USED AS LUBRICANT ADDITIVES