Azocol Trademarks

AZOCOL
PHOTO EMULSIONS AND DIAZO-TYPE SENSITIZER FOR COATING SILK SCREENS
Expired  ·  July 2, 1964  ·  72196951  · 
AZOCOL WR
DIRECT PHOTO EMULSION
Abandoned  ·  October 17, 1983  ·  73448247  · 
AZOCOLL
BIOCHEMICALS, NAMELY ASSAY SUBSTRATES FOR NON-SPECIFIC ASSAY OF PROTEOLYTIC ACTIVITY
Cancelled  ·  October 16, 1989  ·  73831749  ·