HESS ORTHOXYLENE
for phthalic anhydride
Chemical reacting o n e of a s e r i e s of specially c o m m i s s i o n e d a r t i m p r e s s i o n s of t h e c h e m i c a l industry
HESS OIL & CHEMICAL CORPORATION HESS PETROCHEMICAL DIVISION 28O PARK AVENUE. NEW YORK, NEW YORK • 212
