United States Patent 3236764
Inventors:
Den, Herder Marvin J.
Zimmerschied, Wilford J.
Publication Date:
02/22/1966
Assignee:
STANDARD OIL CO
Other Classes:
208/89, 585/268, 585/265, 585/269, 208/15, 585/302, 208/254H
International Classes:
C10G65/00; C10G65/08