Pennmax Trademarks

PENNMAX
VINYL CHLORIDE POLYMER HEAT STABILIZER USED IN MOLDING AND EXTRUSION OPERATIONS
Cancelled  ·  July 27, 1988  ·  73742394  · 
PENNMAX
Heat Stabilizer Additive for Vinyl Chloride Polymer to Retard Heat Degradation of Such Polymer During Processing
Cancelled  ·  January 12, 1979  ·  73199838  ·