(19)
(11) EP 0 717 800 A1

(12)

(43) Date of publication:
26.06.1996 Bulletin 1996/26

(21) Application number: 94928024.0

(22) Date of filing: 01.09.1994
(51) International Patent Classification (IPC): 
D21C 9/ 10( . )
D21C 9/ 153( . )
D21C 9/ 147( . )
D21C 9/ 16( . )
(86) International application number:
PCT/US1994/010050
(87) International publication number:
WO 1995/006773 (09.03.1995 Gazette 1995/11)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT

(30) Priority: 03.09.1993 US 19930116776

(71) Applicant: UNION CAMP PATENT HOLDING, INC.
Wilmington, DE 19801 (US)

(72) Inventors:
  • EACHUS, Spencer, W.
    Allentown, NJ 08501 (US)
  • ALI, Omar, F.
    Morrisville, PA 19067 (US)
  • PANGALOS, George
    Plainsboro, NJ 08536 (US)
  • GRIGGS, Bruce, F.
    Columbia, SC 29223 (US)
  • GANDEK, Thomas, P.
    Trenton, NJ 08618 (US)
  • PIKULIN, Michael, A.
    Bound Brook, NJ 08805 (US)
  • ROSEN, Allen
    Lawrenceville, NJ 08648 (US)

(74) Representative: Timmermans, Anthonius C.Th., Ir. 
Octrooibureau Zuid, Bureau voor Merken & Modellen B.V., P.O. Box 2287
5600 CG Eindhoven
5600 CG Eindhoven (NL)

   


(54) MEDIUM CONSISTENCY OZONE BRIGHTENING OF HIGH CONSISTENCY OZONE BLEACHED PULP