Preparation of vitamin compositions
United States Patent 2199995

Inventors:
Hickman, Kenneth C. D.
Publication Date:
05/07/1940
View Patent Images:
Download PDF 2199995 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
DISTILLATION PRODUCTS INC
Primary Class:
203/37
Other Classes:
203/89
International Classes:
A61K31/07; B01D3/12; A61K31/045