Alkaline pulping of lignocellulose in the presence of oxygen to produce pulp, vanillin, and other oxidation products of lignin substance
United States Patent 2686120

Inventors:
Borden, Marshall Harry
Alfred, Sankey Charles
Publication Date:
08/10/1954
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Assignee:
ONTARIO PAPER COMPANY LTD
Primary Class:
162/14
Other Classes:
568/432, 162/16, 162/65
International Classes:
D21C3/02; D21C3/00
US Patent References:
1922262Process of making chemical pulp
1985195Line stop for typographical machines
2007024Chemical pulping process
2243050Process of producing spinnable fibers and cellulose from plants
2394989Manufacture of cellulose
2434626Process for making vanillin
2516827Method of producing vanillin
2544999Method of producing vanillin
Foreign References:
GB481631A