Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F26—DRYING
  • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
  • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
  • F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
  • F26B5/06—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum the process involving freezing
  • F26B5/065—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum the process involving freezing the product to be freeze-dried being sprayed, dispersed or pulverised
• • A—HUMAN NECESSITIES
  • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
  • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
  • A23B4/00—General methods for preserving meat, sausages, fish or fish products
  • A23B4/03—Drying; Subsequent reconstitution
  • A23B4/037—Freeze-drying, i.e. cryodessication, lyophilisation; Apparatus therefor
• • A—HUMAN NECESSITIES
  • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
  • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
  • A23B4/00—General methods for preserving meat, sausages, fish or fish products
  • A23B4/06—Freezing; Subsequent thawing; Cooling
  • A23B4/062—Freezing; Subsequent thawing; Cooling the materials being transported through or in the apparatus with or without shaping, e.g. in the form of powder, granules or flakes
• • A—HUMAN NECESSITIES
  • 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
  • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
  • A23L3/36—Freezing; Subsequent thawing; Cooling
  • A23L3/37—Freezing; Subsequent thawing; Cooling with addition of or treatment with chemicals
  • A23L3/375—Freezing; Subsequent thawing; Cooling with addition of or treatment with chemicals with direct contact between the food and the chemical, e.g. liquid nitrogen, at cryogenic temperature
• • A—HUMAN NECESSITIES
  • 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
  • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
  • A23L3/40—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by drying or kilning; Subsequent reconstitution
  • A23L3/44—Freeze-drying
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
  • F25C—PRODUCING, WORKING OR HANDLING ICE
  • F25C1/00—Producing ice
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
  • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
  • F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
  • F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air

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Publications (1)

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Family Applications (1)

Country Status (18)

Cited By (1)

Families Citing this family (35)

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• 1976
  • 1976-12-30 DE DE19762659546 patent/DE2659546A1/en not_active Withdrawn
• 1977
  • 1977-12-02 ZA ZA00777184A patent/ZA777184B/en unknown
  • 1977-12-22 AU AU31922/77A patent/AU506746B2/en not_active Expired
  • 1977-12-23 CA CA293,821A patent/CA1106686A/en not_active Expired
  • 1977-12-26 IL IL53695A patent/IL53695A0/en unknown
  • 1977-12-27 NL NL7714401A patent/NL7714401A/en not_active Application Discontinuation
  • 1977-12-27 AR AR270534A patent/AR214108A1/en active
  • 1977-12-27 BE BE183889A patent/BE862370A/en unknown
  • 1977-12-27 CH CH1609077A patent/CH625332A5/en not_active IP Right Cessation
  • 1977-12-28 SE SE7714822A patent/SE7714822L/en not_active Application Discontinuation
  • 1977-12-28 JP JP15864477A patent/JPS53114783A/en active Pending
  • 1977-12-28 IT IT31361/77A patent/IT1089419B/en active
  • 1977-12-28 FI FI773941A patent/FI773941A/en not_active Application Discontinuation
  • 1977-12-28 GB GB53984/77A patent/GB1559920A/en not_active Expired
  • 1977-12-29 DD DD7700203008A patent/DD133295A5/en unknown
  • 1977-12-29 FR FR7739583A patent/FR2375901A1/en active Pending
  • 1977-12-29 AT AT940677A patent/AT356498B/en not_active IP Right Cessation
  • 1977-12-29 IE IE2638/77A patent/IE46022B1/en unknown

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