Title:
Process for producing lignin products
United States Patent 2541059
Inventors:
Heritage, Clark C.
Beckum, William Van G.
Application Number:
US3362648A
Publication Date:
02/13/1951
Filing Date:
06/17/1948
Assignee:
WEYERHAEUSER TIMBER COMPANY
Primary Class:
Other Classes:
530/507
International Classes:
C08H5/02; C08H5/00
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Other References:
None