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A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
A23L5/30—Physical treatment, e.g. electrical or magnetic means, wave energy or irradiation
A23L5/32—Physical treatment, e.g. electrical or magnetic means, wave energy or irradiation using phonon wave energy, e.g. sound or ultrasonic waves
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FR716787D1930-05-101931-05-08
Process for the purification, preservation and sterilization of solid or liquid substances
ExpiredFR716787A
(en)
Method and device for using the oligodynamic action of metals for the sterilization, preservation, disinfection and activation of gaseous, liquid, semi-liquid and solid substances
Process for the preparation of products capable of absorbing large quantities of water and aqueous solutions or other liquids, from fatty substances of any origin