Title:
Continuous digesting of cellulosic fibrous material at decreasing pressure with mechanical defibering therebetween
United States Patent 3238088
US Patent References:
Process of separating wood fibers
- - 1850832
Chemical treatment process for pulp manufacture
- - 1982130
Method and apparatus for digesting cellulosic materials
- - 2200034
Semi-chemical pulping process
- - 2862813
Method of producing cellulosic pulp
- - 2913362
Process of separating wood fibers
- - 1850832
Chemical treatment process for pulp manufacture
- - 1982130
Method and apparatus for digesting cellulosic materials
- - 2200034
Semi-chemical pulping process
- - 2862813
Method of producing cellulosic pulp
- - 2913362
Inventors:
Villavicencio, Eduardo J.
Salvador, Escobar
Salvador, Escobar
Publication Date:
03/01/1966
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Assignee:
Cia, Ind Ayotla DE.
Primary Class:
Other Classes:
162/28, 162/96, 162/236
International Classes:
D21C3/24; D21C3/00
US Patent References: