(19)
(11) EP 0 705 361 A1

(12)

(43) Date of publication:
10.04.1996 Bulletin 1996/15

(21) Application number: 93903543.0

(22) Date of filing: 19.01.1993
(51) International Patent Classification (IPC): 
D21C 9/ 10( . )
D21C 9/ 153( . )
D21C 9/ 14( . )
(86) International application number:
PCT/US1993/000408
(87) International publication number:
WO 1993/015264 (05.08.1993 Gazette 1993/19)
(84) Designated Contracting States:
DE DK FR SE

(30) Priority: 22.01.1992 US 19920823795

(71) Applicants:
  • OLIN CORPORATION
    Cheshire, CT 06410-0586 (US)
  • THE MEAD CORPORATION
    Dayton Ohio 45463 (US)

(72) Inventors:
  • MENDIRATTA, Sudhir, K.
    Cleveland, TN 37312 (US)
  • CAWLFIELD, David, W.
    Cleveland, TN 37312 (US)
  • RUDIE, Glenn, F.
    Chillicothe, OH 45601 (US)
  • PARTHASARATHY, Venketa, R.
    Chillicothe, OH 45601 (US)

(74) Representative: Baker, Colin John, et al 
Withers & Rogers, 4 Dyer's Buildings, Holborn
London EC1N 2JT
London EC1N 2JT (GB)

   


(54) GAS PHASE DELIGNIFICATION OF LIGNOCELLULOSIC MATERIAL