HE WOULD
HAVE
BURNED
W
I T H none b u t his cat t o watch him, t h e alchemist in the M i d d l e A g e s worked at peril of his life, exploring the secrets of nature. H e w a s the father of modern chemistry. His q u e s t w a s t h e "Philosopher's S t o n e " — a magic substance t o change common metals i n t o gold. B u t had he discovered wonders t o compare with the miracles wrought b y t h e modern chemical known as " C u m a r " * . . . he would h a v e been burned a t the stake for trafficking with the devil. For C u m a r — a paracoumarone-indene resin developed b y Barrett and put t o use b y progressive chemists and chemical engineers—has given amazing new qualities to hundreds of everyday articles from m a s t i c floor tiling t o rubber tires.
FOR THIS
DISCOVERY!
O n rubber, Cumar confers new life and stretchabili t y . Ajid unlike m a n y compounding agents, it blends equally w e l l w i t h natural or s y n t h e t i c r u b b e r — a characteristic of special significance t o d a y . * * * * This modern "Philosopher's S t o n e " is j u s t one of a long list o f coal-tar chemicals t h a t have established Barrett's reputation for uniform, dependable products. Perhaps you h a v e a product t h a t can be improved, a production schedule that can be shortened, or m a n u facturing costs t h a t can be pared through t h e use of a coal-r«ar chemical. W e invite y o u t o drop a line t o our experienced Technical Service Bureau, outlining your problem.
T H E B A R R E T T DIVISION
ONE OF AMERICA'S GREAT BASIC BUSINESSES
ALLIED C H E M I C A L & DYE C O R P O R A T I O N 4-0 RECTOR STREET. NEW YORK
Tar A c i d s . . . P h e n o l s . . Cresols . . Cresylic Acids . · N a p h t h a l e n e . · . Phtlaalio A n h y dride · . . Cumar* (Paracoumarone-indene Resin) · . Rubber C o m p o u n d i n g Materials · · . Barretan* · · · P i c k l i n g Inhibitors · · · B e n z o l . . . Toluol . . . X y l o l · · · Solve>xit Naphtha . . . Hi-Flash S o l v e n t . · . Hydrogenated Coal-tar C h e m i c a l s . · . Flotation Agents - · . Tar Distillates . . . S u l p h a t e of A m m o n i a . . · Arcadian* the American Nitrate of Soda
V O L U M E
2 0,
NO.
6
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»
M A R C H
2 5,
1942
F
R E G . U. S. PAT. O F F .
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