(19)
(11) EP 0 743 878 A1

(12)

(43) Date of publication:
27.11.1996 Bulletin 1996/48

(21) Application number: 95938493.0

(22) Date of filing: 28.11.1995
(51) International Patent Classification (IPC): 
C07D 233/ 06( . )
C07B 61/ 00( . )
C07D 233/ 54( . )
B01J 31/ 02( . )
C07D 213/ 18( . )
(86) International application number:
PCT/GB1995/002781
(87) International publication number:
WO 1996/018459 (20.06.1996 Gazette 1996/28)
(84) Designated Contracting States:
BE CH DE DK ES FR GB IT LI NL

(30) Priority: 13.12.1994 GB 19940025105

(71) Applicant: BP Chemicals Limited
London EC2M 7BA (GB)

(72) Inventor:
  • ELLIS, Brian
    Middlesex TW16 7LN (GB)

(74) Representative: Krishnan, Suryanarayana Kalyana 
BP INTERNATIONAL LIMITED Patents & Agreements Division Chertsey Road
Sunbury-on-Thames Middlesex TW16 7LN
Sunbury-on-Thames Middlesex TW16 7LN (GB)

   


(54) IONIC LIQUIDS