Industrial chemicals; silica gel; silica gel for use in chromatography; chemicals for use in chromatography; fillers for use in chromatography column, namely chromatography media for use in purification, preparation and separation of chemical materials; artificial and synthetic resins for use in chromatography, namely chromatography separation media for separation of a mixture into components; unprocessed plastics; artificial and synthetic resins, unprocessed; none of the foregoing goods for ...

Columns for chromatography for laboratory use; chromatography guard columns for laboratory use; chromatography apparatus for laboratory use and their structural parts; laboratory apparatus and instruments, namely, columns for use in separation and purification; measuring machines and instruments, namely, columns for use in separation and purification

Silica gels for chromatography