73784032
Mar 2, 1989
Jan 1, 1991
CHEMICAL PRODUCTS FOR USE IN PREVENTING BACTERIAL PROLIFERATION IN MEMBRANES AND FILTERS USED IN INDUSTRIAL FILTRATION EQUIPMENT; PREPARATIONS FOR PREVENTING BACTERIAL PROLIFERATION IN INDUSTRIAL FILTERS, ULTRAFILTRATION SYSTEMS AND MICROFILTRATION SYSTEMS; PRESERVATIVES FOR INDUSTRIAL FILTERS FOR USE IN INDUSTRIAL ULTRAFILTRATION SYSTEMS AND MICROFILTRATION SYSTEMS, FOR REVERSE OSMOSIS SYSTEMS AND FOR MEMBRANES INCLUDING POLYMERIC MEMBRANES
Chemicals