Polyfon Trademarks

POLYFON
lignosulfonates having surface active properties and suitable as general purpose dispersants
Registered  ·  September 7, 2005  ·  78707751  · 
polyfon
POLYFON
LIGNOSULFONATES HAVING SURFACE ACTIVE PROPERTIES AND SUITABLE AS GENERAL PURPOSE DISPERSANTS
Expired  ·  August 10, 1954  ·  71671475  · 
polyfon