chromatography apparatus and instruments, namely, preparative chromatography units for liquid chromatography in batch mode and continuous mode; preparative chromatography apparatus and instruments, namely, preparative chromatography units for carbon-dioxide recycling in batch and continuous modes and preparative chromatography units for multicolumn continuous chromatography; software for initiating, directing or otherwise controlling separation, purification or fractionation processes by chro...

ASSEMBLY AND CUSTOM CONSTRUCTION OF PRODUCTS FOR OTHERS, NAMELY, ASSEMBLY AND CUSTOM CONSTRUCTION OF CRYSTALLOGRAPHY AND CHROMATOGRAPHY UNITS FOR OTHERS

manually operated metal valves, metal valves and structural parts therefor

parts and fittings for machines, namely, devices for taking specimens from and innoculating media into a vessel