Mark Identification

POLYSPHER

Serial Number

73679406

Filing Date

Aug 19, 1987

Registration Date

Nov 15, 1988

Trademark by

E. MERCK

Classification Information

POLYMERIC PACKING MATERIALS USED IN CHROMATOGRAPHY COLUMNS IN HIGH PERFORMANCE LIQUID CHROMATOGRAPHY

Chemicals

CHROMATOGRAPHY COLUMNS, GUARD COLUMNS AND CARTRIDGES USED IN HIGH PERFORMANCE LIQUID CHROMATOGRAPHY

Electrical and Scientific Apparatus