Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Treatment with particular chemical
Patent
1989-09-28
1991-07-30
Alvo, Steve
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
Treatment with particular chemical
162 63, 162 78, 162 80, 162 84, 162158, 162162, 162182, D21C 916, D21H 1705, D21H 1763, D21H 1770
Patent
active
050357727
ABSTRACT:
A method for treating lignin containing pulp, subsequent to being bleached by:
REFERENCES:
patent: 3017316 (1962-01-01), Rapson et al.
patent: 3068141 (1962-12-01), MacClaren
patent: 3393122 (1968-07-01), Marshall
patent: 4008121 (1977-02-01), Coleman
patent: 4339238 (1982-07-01), Fringeli et al.
patent: 4401810 (1983-08-01), Tang
Agnemo Roland A.
Lunden-Lundgren Birgitta E.
Alvo Steve
Mooch Domsjo AB
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