Chemicals Trademarks Filed in July 29, 1930
DAVCO

DAVCO

Filed: July 29, 1930
MIXED FERTILIZERS, COTTONSEED MEAL, CASTOR POMACE, CASTOR MEAL, SUPERPHOSPHATE, SULPHATE OF AMMONIA, CALCIUM NITRATE, SULPHATE…
Owned by: DAVISON CHEMICAL COMPANY, THE
Serial Number: 71303951

BARAK

BARAK

Filed: July 29, 1930
CHEMICALS USED IN THE MANUFACTURE OF RUBBER WHICH ACCELERATE VULCANIZATION
Serial Number: 71303953

ZALBA

ZALBA

Filed: July 29, 1930
CHEMICALS USED AS ANTIOXIDANTS FOR RUBBER
Owned by: E. I. DU PONT DE NEMOURS AND COMPANY
Serial Number: 71303954

HELIOZONE

HELIOZONE

Filed: July 29, 1930
CHEMICALS USED FOR PREVENTIVES OF THE SUNCHECKING OF RUBBER
Serial Number: 71303956

ANTOX

ANTOX

Filed: July 29, 1930
CHEMICALS USED AS ANTIOXIDANTS FOR RUBBER
Owned by: E. I. DU PONT DE NEMOURS AND COMPANY
Serial Number: 71303957