Process for coloring organic products
United States Patent 1953438
Inventors:
Paul, Schlack
Publication Date:
04/03/1934
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Export Citation:
Assignee:
GEN ANILINE WORKS INC
Primary Class:
Other Classes:
508/428, 426/539, 8/94.230, 106/243, 106/272
International Classes:
C09B67/38; C09B67/00