Title:
Alkaline sulfite digestion followed by acid digestion with bisulfite
United States Patent 3354030
US Patent References:
Process for freeing cellulose fibers from vegetable materials
- - 1659809
/1848661.html
- - 1848661
Treatment of cellulosic materials
- - 2069943
Progressive explosion process of defibration
- - 2711369
Method in manufacturing chemical or semi-chemical pulp from heavily resinous wood
- - 2885317
Process for freeing cellulose fibers from vegetable materials
- - 1659809
/1848661.html
- - 1848661
Treatment of cellulosic materials
- - 2069943
Progressive explosion process of defibration
- - 2711369
Method in manufacturing chemical or semi-chemical pulp from heavily resinous wood
- - 2885317
Inventors:
Williams, Robert C.
Joyce, Donald L.
Lee, Showalter Edwin
Joyce, Donald L.
Lee, Showalter Edwin
Publication Date:
11/21/1967
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Export Citation:
Assignee:
ALBEMARLE PAPER CO
Primary Class:
Other Classes:
162/22
International Classes:
D21C3/26; D21C3/00