75231127
Jan 24, 1997
Dec 15, 1998
Active Trademark
[polymers and monomers therefor, polymer solutions, ion exchange polymers and monomers therefor, and ion exchange polymer solutions, all for use in further manufacture]
Chemicalselectric power generation systems incorporating electrochemical fuel cells, electrochemical fuel cells, electrochemical fuel cell stacks, and membrane electrode assemblies therefor
Electrical and Scientific Apparatus[polymeric membranes and films for use in chemical separation and electrochemical applications, and ion exchange membranes and films for use in electrochemical applications]
Rubber Goods