Process of bleaching fibrous cellulose material
United States Patent 1957937

Inventors:
John, Campbell
Rolleston, Lancelot O.
Publication Date:
05/08/1934
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Assignee:
INT PAPER CO
Primary Class:
162/19
Other Classes:
68/5D, 162/97, 162/66, 8/151, 8/109, 162/65, 68/5C, 162/99, 162/96, 162/53, 127/37, 8/156, 162/64
International Classes:
D21C9/10