(19)
(11) EP 0 282 521 A1

(12)

(43) Date of publication:
21.09.1988 Bulletin 1988/38

(21) Application number: 87905773.0

(22) Date of filing: 09.09.1987
(51) International Patent Classification (IPC): 
C01F 5/ 06( . )
C01F 11/ 04( . )
C01G 25/ 02( . )
C04B 35/ 632( . )
C01F 7/ 30( . )
C01G 23/ 047( . )
C01G 37/ 02( . )
(86) International application number:
PCT/GB1987/000629
(87) International publication number:
WO 1988/001990 (24.03.1988 Gazette 1988/07)
(84) Designated Contracting States:
BE DE FR GB IT LU NL

(30) Priority: 09.09.1986 GB 19860021713

(71) Applicant: MANCHEM LIMITED
London SW1P 1HT (GB)

(72) Inventors:
  • ADAM, Ayub, Mahomed
    Bolton Lancashire BL1 6PE (GB)
  • EMBLEM, Harold, Garton
    Merseyside PR8 5DY (GB)
  • MacKINNON, Ian, Malcolm
    Hale, Nr. Altrincham Cheshire WA15 8SA (GB)
  • WOMERSLEY, Peter
    Stockport Cheshire WA15 8SA (GB)

(74) Representative: Orchard, Oliver John 
JOHN ORCHARD & CO. Staple Inn Buildings North High Holborn
London WC1V 7PZ
London WC1V 7PZ (GB)

   


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