IPC 7 English version A23F-A23F 5/50

A23F-A23F00550

SECTION A – HUMAN NECESSITIES

A 23

FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES

A 23 F

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)

Tea; Tea substitutes; Preparations thereof

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

Oxidation; Fermentation [3]

Fermentation with addition of micro-organisms or enzymes [3]

Rolling or shredding tea leaves [3]

Tea preparations, e.g. using additives (flavouring A23F 3/40) [3]

Tea extraction; Tea extracts; Treating tea extract; Making instant tea [3]

Extraction of water soluble tea constituents (isolation of tea flavour or tea oil A23F 3/42) [3]

Removing unwanted substances (reducing or removing alkaloid content A23F 3/38) [3]

Drying or concentrating tea extract [3]

by freezing out the water [3]

by lyophilisation [3]

by spraying into a gas stream [3]

Further treatment of dried tea extract; Preparations produced thereby, e.g. instant tea (flavouring A23F 3/40) [3]

Agglomerating, flaking or tabletting [3]

Tea substitutes, e.g. mate; Extracts or infusions thereof [3]

Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof [3]

Reducing or removing alkaloid content from tea extract [3]

Tea flavour; Tea oil; Flavouring of tea or tea extract (synthetic tea flavours A23L 1/226) [3]

Isolation of tea flavour or tea oil [3]

Coffee; Coffee substitutes; Preparations thereof [3]

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) [3]

Methods of roasting coffee (machines therefor A23N 12/00) [3]

of roasting extracted coffee [3]

Methods of grinding coffee (coffee mills A47J 42/00) [3]

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) [3]

Agglomerating, flaking or tabletting (of coffee extract or instant coffee A23F 5/38) [3]

using additives, e.g. milk, sugar; Coating, e.g. for preserving (flavouring A23F 5/46) [3]

Removing unwanted substances (reducing or removing alkaloid content A23F 5/20) [3]

from coffee extract [3]

Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof [3]

Reducing or removing alkaloid content from coffee extract [3]

Extraction of coffee; Coffee extracts (with reduced alkaloid content A23F 5/20); Making instant coffee (methods of roasting extracted coffee A23F 5/06) [3]

Extraction of water soluble constituents (isolation of coffee flavour or coffee oil A23F 5/48) [3]

Drying or concentrating coffee extract [3]

by freezing out the water [3]

by lyophilisation [3]

by spraying into a gas stream [3]

Further treatment of dried coffee extract; Preparations produced thereby, e.g. instant coffee (removing unwanted substances A23F 5/18; flavouring A23F 5/46) [3]

Agglomerating, flaking or tabletting [3]

using organic additives, e.g. milk, sugar [3]

using inorganic additives [3]

Coffee substitutes [3]

Coffee flavour; Coffee oil; Flavouring of coffee or coffee extract (synthetic coffee flavours A23L 1/234) [3]

Isolation of coffee flavour or coffee oil [3]

from coffee extract [3]