Irgalev Trademarks

IRGALEV
LEVELING AND RETARDING ASSISTANT FOR TEXTILE DYEING
Expired  ·  April 17, 1968  ·  72295822  · 
IRGALEVONE
CHEMICAL AGENT USED IN THE APPLICATION OF DYES AND DYESTUFFS
Expired  ·  May 8, 1946  ·  71501659  ·