Liquid purification or separation – Processes – Separating
Patent
1986-01-28
1987-10-06
Sever, Frank
Liquid purification or separation
Processes
Separating
203 43, 210806, 210808, B01D 1300
Patent
active
046981667
ABSTRACT:
A method and apparatus for producing a product which stimulates skin respiration and product produced thereby are provided wherein the method comprises the steps of mixing bakers yeast and alcohol in an extractor to produce a slurry of solids and liquid, heating the slurry to a predetermined temperature to produce a heated slurry, holding the heated slurry at the predetermined temperature for a predetermined time, passing the heated slurry through a filter to remove the solids and produce a filtered liquid, placing the filtered liquid in a sterile vacuum still and boiling the filtered liquid in said vacuum still to drive off a substantial percentage of the liquid therein and produce the product, and then further filtering the product in a closed pressure filtering system followed by filtering of the further filtered product through a sterile filter.
REFERENCES:
patent: 4072610 (1978-02-01), Gow et al.
Danner Michael E.
Hieber Thomas E.
Sever Frank
Sperti Drug Products, Inc.
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