74057453
May 9, 1990
Jan 31, 1995
synthetic drum membranes used for concentration of vaccines, enzyme purification and concentration, recovery of serum proteins and blood fractions, concentration and purification of protein based pharmaceuticals, purification of amino acids, antibiotics and other low molecular weight products from fermentor broths, all for clinical medical use in the treatment of cancer, in general surgery, brain surgery, heart surgery, kidney dialysis and internal organ transplant
Medical Apparatusair or water filter for drinking water purification, drinking water purifier, cartridge filter for drinking water, membrane filter module purifier and concentrator, air or water filter for recycling waste, filter for wastewater treatment, water quality control purifying unit, separator and filtration unit for water purification
Environmental Control Apparatus