(19)
(11) EP 0 682 688 A1

(12)

(43) Date of publication:
22.11.1995 Bulletin 1995/47

(21) Application number: 95902851.0

(22) Date of filing: 29.11.1994
(51) International Patent Classification (IPC): 
C10M 159/ 22( . )
C10N 20/ 00( . )
C10N 70/ 00( . )
C10N 10/ 04( . )
C10N 30/ 04( . )
(86) International application number:
PCT/GB1994/002602
(87) International publication number:
WO 1995/016011 (15.06.1995 Gazette 1995/25)
(84) Designated Contracting States:
BE DE FR GB IT NL

(30) Priority: 08.12.1993 GB 19930025132

(71) Applicant: BP CHEMICALS (ADDITIVES) LIMITED
London EC2M 7BA (GB)

(72) Inventors:
  • COOK, Stephen James
    North Humberside HU12 9DA (GB)
  • ROBINSON, Paul Kristian
    Victoria Dock, Hull HU9 1TL (GB)

(74) Representative: Preece, Michael, et al 
BP International Limited Patents and Agreements Division Sunbury Research Centre Chertsey Road
Sunbury-on-Thames, Middlesex TW16 7LN
Sunbury-on-Thames, Middlesex TW16 7LN (GB)

   


(54) HIGH TBN ALKALINE EARTH METAL HYDROCARBYL PHENATE CONCENTRATES, THEIR PRODUCTION AND FINISHED LUBRICATING OIL COMPOSITIONS CONTAINING THEM