(19)
(11) EP 0 746 650 A1

(12)

(43) Date of publication:
11.12.1996 Bulletin 1996/50

(21) Application number: 93905902.0

(22) Date of filing: 29.01.1993
(51) International Patent Classification (IPC): 
D21C 3/ 20( . )
D21C 9/ 10( . )
D21C 11/ 00( . )
 D21C 7/ 00( . )
D21C 9/ 153( . )
(86) International application number:
PCT/US1993/001256
(87) International publication number:
WO 1993/015261 (05.08.1993 Gazette 1993/19)
(84) Designated Contracting States:
AT CH DE DK ES FR GB IT LI NL SE

(30) Priority: 29.01.1992 WO 1992US00720

(71) Applicant: ALCELL TECHNOLOGIES INC.
Montreal, Quebec H3B 4W8 (CA)

(72) Inventors:
  • LORA, Jairo H.
    Media, PA 19063 (US)
  • KATZEN, Raphael
    Cincinnati, OH 45208 (US)
  • CRONLUND, Malcolm
    Chester Springs, PA 19425 (US)
  • WU, Chih Fae
    West Chester, PA 19380 (US)
  • GOPAL, Goyal C.
    Collegeville, PA 19426 (US)
  • WINNER, Stephen R.
    Boothwyn, PA 19061 (US)
  • LeBLANC, Ron
    Clonmel Tipperary (IR)
  • RASKIN, Mikhail N.
    King of Prussia, PA 19406 (US)
  • AGAR, Richard C.
    Springdale, OH 45246 (US)

(74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät 
Maximilianstrasse 58
80538 München
80538 München (DE)

   


(54) PULPING OF FIBROUS PLANT MATERIALS AND RECOVERY OF RESULTANT BY-PRODUCTS