Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1990-07-30
1992-08-18
Spear, Frank
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210181, 210259, C02F 144
Patent
active
051396769
ABSTRACT:
The invention relates to bacteriostatic water and to a method of producing bacteriostatic water, and is characterized by the steps: a) heating unprocessed water to produce primary water; b) filtering the primary water in order to remove bacteria and dust to produce secondary water; and c) exposing the secondary water to oxygen gas to produce bacteriostatic water. In this invention, oxygen gas is used not only as a biostatic treating agent, but also as an aerosol propellant. The container is filled with the product water, on the product water is bacteriostatically stable for an extended period.
REFERENCES:
patent: 3843521 (1974-10-01), Zeff
patent: 4767528 (1988-08-01), Sasaki et al.
patent: 4773993 (1988-09-01), Yoda et al.
Ebisawa Kenichiro
Kaneko Kenzo
Niwada Atsushi
Nippon Sanso Kabushiki Kaisha
Spear Frank
LandOfFree
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