75670512
Mar 26, 1999
Aug 14, 2001
[Chemical products, namely chemical converters in the nature of catalysts that convert sulfur components to elemental sulfur to reduce sulfur dioxide emissions for industrial and scientific uses]
Chemicals[Magnetic data carriers, namely, magnetic tapes and compact disks, containing pre-recorded information about chemical processes]
Electrical and Scientific ApparatusBuilding and repair, in particular the building of chemical installations
Building Construction and Repair