Method of manufacturing material for medical and pharmaceutical

Details Method of manufacturing material for medical and pharmaceutical Method of manufacturing material for medical and pharmaceutical

1989-11-29

1991-06-18

Manoharan, Virginia

Distillation: processes, separatory

Miscellaneous separatory

159 471, 159DIG23, 562513, 562515, 562608, B01D 300, C07C 5142

Patent

active

050247310

ABSTRACT:
A method of manufacturing a material for medical and pharmaceutical products from pyroligneous acid extracted as water content in smoke generated by baking arbor and bark. Pyroligneous acid is heated, and resultant evaporation gas in a temperature range 98.degree. to 103.degree. C. is extracted and liquified by cooling.

REFERENCES:
patent: 736959 (1903-08-01), Glock
patent: 1697738 (1929-01-01), Suida
patent: 1884241 (1932-10-01), Ricard et al.
patent: 2859154 (1958-11-01), Othmer
patent: 4051250 (1977-09-01), Dahm et al.
patent: 4052441 (1977-10-01), Brunner
patent: 4483862 (1984-11-01), Richardson et al.

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