[ Chemical preparations in the nature of filtering materials for use in the manufacture of beverages, chemicals, cosmetics, electronics, foods and pharmaceuticals; amino acids for laboratory or research use; unprocessed cellulose acetate, hydrate and nitrate, PVC and other chemicals for use in the manufacture of a wide variety of goods; waste water treatment chemicals for industrial use; electrophoresis gels other than for medical or veterinary purposes in identifying or separating biological and chemical mixtures; reagents for scientific or medical research use; biochemicals, namely, polypeptides for in vitro research use ]

[ Clinical medical reagents; chemical antigen vaccines for clinical or medical laboratory use; test kits primarily comprised of clinical medical reagent membranes for disease diagnosis and identifying substances; diagnostic filtering preparations for clinical or medical laboratory use ]

[ Machine parts, namely, slide bearings for hydro dynamically lubricated, rotating machine parts; small filters for use with small centrifugal tubes ]

Scales for scientific use, and dryers, supports, trays and weights therefor; measuring apparatus for use with scales in the gravimetric determination of the density of liquids and solids; spectrometers; electronic metal detectors; [ electric testers of efficacy, humidity and impurity saturation of air and liquid filters;] gas sensors for measuring gas concentration; pH meters; densimeters; [ gas and liquid chromatography apparatus; laboratory apparatus, namely, bioreactors, centrifuges, fermentation chambers, filters, electro fusers, transfection devices, sterile freeze dryers and electrophoresis equipment for separating molecules in liquid suspensions; thermostats; computer printers and data processors for use with bioreactors, filtration apparatus and laboratory equipment;] laboratory equipment for measuring specific gravity; calibrating weights for use with scales; downloadable software for connecting personal computers to and operating laboratory instruments [, bioreactors, filtration devices and medical equipment; laboratory glassware and storage tubes; petri dishes ]

[ Containers for medical waste; blood filters; dialysis machines ]

[ Air and water filters and filtering units for commercial, industrial and scientific use ]

Repair and maintenance of laboratory, [ medical ] and scientific apparatus [ and filtering equipment ]

Educational services, namely, conducting classes, conferences and seminars in the fields of [ biotechnology, fermentation, filtration] and weighing techniques, and distributing course material in connection therewith

[ Medical and scientific research, namely, formulating clinical drug trials for the pharmaceutical industry; laboratory services, namely, filter system quality control for pharmaceutical manufacturers and] calibration of measuring devices; computer programming of software for computer networks of others