Wastepaper deinking process

Details Wastepaper deinking process Wastepaper deinking process

1991-07-31

1993-07-13

Hastings, Karen M.

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Waste paper or textile waste

162 5, D21C 502

Patent

active

052270190

ABSTRACT:
The invention therefore relates to a process for the deinking of wastepaper stocks which comprises:

REFERENCES:
patent: 3932206 (1976-01-01), Illingworth et al.
patent: 4162186 (1979-07-01), Wood et al.
patent: 4518459 (1985-05-01), Freis et al.
patent: 4561933 (1985-12-01), Wood et al.
patent: 4618400 (1986-10-01), Wood et al.
patent: 4666558 (1987-05-01), Wood et al.

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