WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

A23F　COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF (coffee or tea pots A47G 19/14; tea infusers A47G 19/16; apparatus for making beverages, e.g. coffee or tea, A47J 31/00; coffee mills A47J 42/00)

A23F 3/00 Tea; Tea substitutes; Preparations thereof

A23F 3/06 ・Treating tea before extraction (reducing or removing alkaloid content A23F 3/36); Preparations produced thereby (tea extract preparations A23F 3/16)

A23F 3/08 ・・Oxidation; Fermentation

A23F 3/10 ・・・Fermentation with addition of micro-organisms or enzymes

A23F 3/12 ・・Rolling or shredding tea leaves

A23F 3/14 ・・Tea preparations, e.g. using additives (flavouring A23F 3/40)

A23F 3/16 ・Tea extraction; Tea extracts; Treating tea extract; Making instant tea

A23F 3/163 ・・{Liquid or semi-liquid tea extract preparations, e.g. gels, liquid extracts in solid capsules}

A23F 3/166 ・・{Addition of, or treatment with, enzymes or micro-organisms}

A23F 3/18 ・・Extraction of water soluble tea constituents ({A23F 3/166 takes precedence}; isolation of tea flavour or tea oil A23F 3/42)

A23F 3/20 ・・Removing unwanted substances ({A23F 3/166 takes precedence}; reducing or removing alkaloid content A23F 3/38)

A23F 3/205 ・・・{Using flocculating or adsorbing agents}

A23F 3/22 ・・Drying or concentrating tea extract {(A23F 3/166 takes precedence)}

A23F 3/225 ・・・{by evaporation, e.g. drying in thin layers, foam drying (A23F 3/26 and A23F 3/28 take precedence)}

A23F 3/24 ・・・by freezing out the water

A23F 3/26 ・・・by lyophilisation

A23F 3/28 ・・・by spraying into a gas stream

A23F 3/30 ・・Further treatment of dried tea extract; Preparations produced thereby, e.g. instant tea ({A23F 3/166 takes precedence}; flavouring A23F 3/40)

A23F 3/32 ・・・Agglomerating, flaking or tabletting {or granulating}

A23F 3/34 ・Tea substitutes, e.g. mate; Extracts or infusions thereof

A23F 3/36 ・Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof

A23F 3/363 ・・{by addition of alkaloid neutralising or complexing agents (A23F 3/166 takes precedence)}

A23F 3/366 ・・{by extraction of the leaves with selective solvents}

A23F 3/38 ・・Reducing or removing alkaloid content from tea extract

A23F 3/385 ・・・{using flocculating, precipitating, adsorbing or complex-forming agents, or ion-exchangers}

A23F 3/40 ・Tea flavour; Tea oil; Flavouring of tea or tea extract (synthetic tea flavours A23L 1/226)

A23F 3/405 ・・{Flavouring with flavours other than natural tea flavour or tea oil}

A23F 3/42 ・・Isolation {or recuperation} of tea flavour or tea oil

A23F 3/423 ・・・{by solvent extraction; Tea flavour from tea oil}

A23F 3/426 ・・・{by distillation, e.g. stripping leaves; Recovering volatile gases (flavour from tea oil A23F 3/423)}

A23F 5/00 Coffee; Coffee substitutes; Preparations thereof

A23F 5/02 ・Treating green coffee; Preparations produced thereby (roasting A23F 5/04; removing unwanted substances A23F 5/16; reducing or removing alkaloid content A23F 5/20; extraction A23F 5/24)

A23F 5/04 ・Methods of roasting coffee (machines therefor A23N 12/00)

A23F 5/043 ・・{in the presence of inert particles}

A23F 5/046 ・・{with agitation or transportation of the beans by gases; Fluidised-bed roasting or fluidised-bed cooling after roasting (A23F 5/043 takes precedence)}

A23F 5/06 ・・of roasting extracted coffee; {Caramelisation of coffee extract}

A23F 5/08 ・Methods of grinding coffee (coffee mills A47J 42/00)

A23F 5/10 ・Treating roasted coffee; Preparations produced thereby (removing unwanted substances A23F 5/16; reducing or removing alkaloid content A23F 5/20; coffee extraction, making instant coffee A23F 5/24)

A23F 5/105 ・・{Treating in vacuum or with inert or noble gases; Storing in gaseous atmosphere; Packaging}

A23F 5/12 ・・Agglomerating, flaking or tabletting (of coffee extract or instant coffee 5/38)

A23F 5/125 ・・・{Tablets or other similar solid forms}

A23F 5/14 ・・using additives, e.g. milk, sugar; Coating, e.g. for preserving (flavouring A23F 5/46)

A23F 5/145 ・・・{Coating whole beans with a layer}

A23F 5/16 ・Removing unwanted substances (reducing or removing alkaloid content A23F 5/20)

A23F 5/163 ・・{using enzymes or micro-organisms}

A23F 5/166 ・・{by extraction of the beans, ground or not, with selective solvents other than water or aqueous bean extracts, including supercritical gases}

A23F 5/18 ・・from coffee extract {(A23F 5/163 takes precedence)}

A23F 5/185 ・・・{using flocculating, precipitating, adsorbing or complex-forming agents, or ion-exchangers}

A23F 5/20 ・Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof

A23F 5/202 ・・{by addition of alkaloid neutralising or complexing agents}

A23F 5/204 ・・{using enzymes or micro-organisms}

A23F 5/206 ・・{by extraction of the beans with selective solvents other than water or aqueous bean extracts, including supercritical gases}

A23F 5/208 ・・{by extraction of the beans with water,aqueous solutions without organic or inorganic solvents, or aqueous coffee extract}

A23F 5/22 ・・Reducing or removing alkaloid content from coffee extract

A23F 5/223 ・・・{using flocculating, precipitating, adsorbing or complex-forming agents, or ion-exchangers}

A23F 5/226 ・・・{by extraction with selective solvents}

A23F 5/24 ・Extraction of coffee; Coffee extracts (with reduced alkaloid content A23F 5/20); Making instant coffee (methods of roasting extracted coffee A23F 5/06)

A23F 5/243 ・・{Liquid, semi-liquid or non-dried semi-solid coffee extract preparations; Coffee gels; Liquid coffee in solid capsules (A23F 5/246 takes precedence)}

A23F 5/246 ・・{Addition of, or treatment with, enzymes or microorganisms (A23F 5/163 and A23F 5/204 take precedence)}

A23F 5/26 ・・Extraction of water-soluble constituents ({A23F 5/246 takes precedence}; isolation of coffee flavour or coffee oil A23F 5/48)

A23F 5/262 ・・・{the extraction liquid flows through a stationary bed of solid substances, e.g. in percolation columns}

A23F 5/265 ・・・{the solid substances are transported through the apparatus during the extraction cycle}

A23F 5/267 ・・・{using additives, specific extraction media or specific coffee blends}

A23F 5/28 ・・Drying or concentrating coffee extract {(A23F 5/246 takes precedence)}

A23F 5/285 ・・・{by evaporation, e.g. drying in thin layers, foam drying (A23F 5/32 and A23F 5/34 take precedence)}

A23F 5/30 ・・・by freezing out the water

A23F 5/32 ・・・by lyophilisation

A23F 5/34 ・・・by spraying into a gas stream

A23F 5/36 ・・Further treatment of dried coffee extract; Preparations produced thereby, e.g. instant coffee ({A23F 5/246 takes precedence}; removing unwanted substances A23F 5/18; flavouring A23F 5/46)

A23F 5/38 ・・・Agglomerating, flaking or tabletting {or granulating}

A23F 5/385 ・・・・{Tablets or other similar solid forms}

A23F 5/40 ・・・using organic additives, e.g. milk, sugar

A23F 5/405 ・・・・{comprising ground coffee or ground coffee substitute particles}

A23F 5/42 ・・・using inorganic additives

A23F 5/44 ・Coffee substitutes

A23F 5/46 ・Coffee flavour; Coffee oil; Flavouring of coffee or coffee extract (synthetic coffee flavours A23L 1/234)

A23F 5/465 ・・{Flavouring with flavours other than natural coffee flavour or coffee oil}

A23F 5/48 ・・Isolation {or recuperation} of coffee flavour or coffee oil

A23F 5/483 ・・・{by solvent extraction of the beans, ground or not}

A23F 5/486 ・・・{by distillation from beans, ground or not, e.g. stripping; Recovering volatile gases, e.g. roaster or grinder gases}

A23F 5/50 ・・・from coffee extract

A23F 5/505 ・・・・{by distillation, e.g. stripping the extract; Recovering volatile gases, e.g. during concentration}

A23F 2200/00 Special features