1. CPC Sections
  2. CPC Section A
  3. CPC Class A23
  4. CPC Subclass A23F
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CPC
COOPERATIVE PATENT CLASSIFICATION
​
A23F
COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF [2021-05]
WARNING

  • {In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.}
A23F 3/00
Tea; Tea substitutes; Preparations thereof [2013-01]
A23F 3/06
.
Treating tea before extraction (reducing or removing alkaloid content A23F 3/36); Preparations produced thereby (tea extract preparations A23F 3/16) [2013-01]
A23F 3/08
. .
Oxidation; Fermentation [2013-01]
A23F 3/10
. . .
Fermentation with addition of microorganisms or enzymes [2017-08]
A23F 3/12
. .
Rolling or shredding tea leaves [2013-01]
A23F 3/14
. .
Tea preparations, e.g. using additives (flavouring A23F 3/40) [2013-01]
A23F 3/16
.
Tea extraction; Tea extracts; Treating tea extract; Making instant tea [2013-01]
A23F 3/163
. .
{Liquid or semi-liquid tea extract preparations, e.g. gels, liquid extracts in solid capsules} [2013-01]
A23F 3/166
. .
{Addition of, or treatment with, enzymes or microorganisms} [2017-08]
A23F 3/18
. .
Extraction of water soluble tea constituents ({A23F 3/166 takes precedence}; isolation of tea flavour or tea oil A23F 3/42) [2013-01]
A23F 3/20
. .
Removing unwanted substances ({A23F 3/166 takes precedence}; reducing or removing alkaloid content A23F 3/38) [2013-01]
A23F 3/205
. . .
{Using flocculating or adsorbing agents} [2013-01]
A23F 3/22
. .
Drying or concentrating tea extract {(A23F 3/166 takes precedence)} [2013-01]
A23F 3/225
. . .
{by evaporation, e.g. drying in thin layers, foam drying (A23F 3/26 and A23F 3/28 take precedence)} [2013-01]
A23F 3/24
. . .
by freezing out the water [2013-01]
A23F 3/26
. . .
by lyophilisation [2013-01]
A23F 3/28
. . .
by spraying into a gas stream [2013-01]
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) [2013-01]
A23F 3/32
. . .
Agglomerating, flaking or tabletting {or granulating} [2013-01]
A23F 3/34
.
Tea substitutes, e.g. matè; Extracts or infusions thereof [2013-01]
A23F 3/36
.
Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof [2013-01]
A23F 3/363
. .
{by addition of alkaloid neutralising or complexing agents (A23F 3/166 takes precedence)} [2013-01]
A23F 3/366
. .
{by extraction of the leaves with selective solvents} [2013-01]
A23F 3/38
. .
Reducing or removing alkaloid content from tea extract [2013-01]
A23F 3/385
. . .
{using flocculating, precipitating, adsorbing or complex-forming agents, or ion-exchangers} [2013-01]
A23F 3/40
.
Tea flavour; Tea oil; Flavouring of tea or tea extract (synthetic tea flavours A23L 27/20) [2016-08]
A23F 3/405
. .
{Flavouring with flavours other than natural tea flavour or tea oil} [2013-01]
A23F 3/42
. .
Isolation {or recuperation} of tea flavour or tea oil [2013-01]
A23F 3/423
. . .
{by solvent extraction; Tea flavour from tea oil} [2013-01]
A23F 3/426
. . .
{by distillation, e.g. stripping leaves; Recovering volatile gases (flavour from tea oil A23F 3/423)} [2013-01]
A23F 5/00
Coffee; Coffee substitutes; Preparations thereof [2013-01]
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) [2013-01]
A23F 5/04
.
Methods of roasting coffee (machines therefor A23N 12/00) [2013-01]
A23F 5/043
. .
{in the presence of inert particles} [2013-01]
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)} [2013-01]
A23F 5/06
. .
of roasting extracted coffee {; Caramelisation of coffee extract} [2017-08]
A23F 5/08
.
Methods of grinding coffee (coffee mills A47J 42/00) [2013-01]
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) [2013-01]
A23F 5/105
. .
{Treating in vacuum or with inert or noble gases; Storing in gaseous atmosphere; Packaging} [2013-01]
A23F 5/12
. .
Agglomerating, flaking or tabletting (of coffee extract or instant coffee A23F 5/38) [2013-01]
A23F 5/125
. . .
{Tablets or other similar solid forms} [2013-01]
A23F 5/14
. .
using additives, e.g. milk, sugar; Coating, e.g. for preserving (flavouring A23F 5/46) [2013-01]
A23F 5/145
. . .
{Coating whole beans with a layer} [2013-01]
A23F 5/16
.
Removing unwanted substances (reducing or removing alkaloid content A23F 5/20) [2013-01]
A23F 5/163
. .
{using enzymes or microorganisms} [2017-08]
A23F 5/166
. .
{by extraction of the beans, ground or not, with selective solvents other than water or aqueous bean extracts, including supercritical gases} [2013-01]
A23F 5/18
. .
from coffee extract {(A23F 5/163 takes precedence)} [2013-01]
A23F 5/185
. . .
{using flocculating, precipitating, adsorbing or complex-forming agents, or ion-exchangers} [2013-01]
A23F 5/20
.
Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof [2013-01]
A23F 5/202
. .
{by addition of alkaloid neutralising or complexing agents} [2013-01]
A23F 5/204
. .
{using enzymes or microorganisms} [2017-08]
A23F 5/206
. .
{by extraction of the beans with selective solvents other than water or aqueous bean extracts, including supercritical gases} [2013-01]
A23F 5/208
. .
{by extraction of the beans with water, aqueous solutions without organic or inorganic solvents, or aqueous coffee extract} [2016-08]
A23F 5/22
. .
Reducing or removing alkaloid content from coffee extract [2013-01]
A23F 5/223
. . .
{using flocculating, precipitating, adsorbing or complex-forming agents, or ion-exchangers} [2013-01]
A23F 5/226
. . .
{by extraction with selective solvents} [2013-01]
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) [2013-01]
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)} [2013-01]
A23F 5/246
. .
{Addition of, or treatment with, enzymes or microorganisms (A23F 5/163 and A23F 5/204 take precedence)} [2013-01]
A23F 5/26
. .
Extraction of water-soluble constituents {(A23F 5/246 takes precedence)} [2021-05]
A23F 5/262
. . .
{the extraction liquid flows through a stationary bed of solid substances, e.g. in percolation columns} [2013-01]
A23F 5/265
. . .
{the solid substances are transported through the apparatus during the extraction cycle} [2013-01]
A23F 5/267
. . .
{using additives, specific extraction media or specific coffee blends} [2013-01]
A23F 5/28
. .
Drying or concentrating coffee extract {(A23F 5/246 takes precedence)} [2013-01]
A23F 5/285
. . .
{by evaporation, e.g. drying in thin layers, foam drying (A23F 5/32 and A23F 5/34 take precedence)} [2013-01]
A23F 5/30
. . .
by freezing out the water [2013-01]
A23F 5/32
. . .
by lyophilisation [2013-01]
A23F 5/34
. . .
by spraying into a gas stream [2013-01]
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) [2013-01]
A23F 5/38
. . .
Agglomerating, flaking or tabletting {or granulating} [2013-01]
A23F 5/385
. . . .
{Tablets or other similar solid forms} [2013-01]
A23F 5/40
. . .
using organic additives, e.g. milk, sugar [2013-01]
A23F 5/405
. . . .
{comprising ground coffee or ground coffee substitute particles} [2013-01]
A23F 5/42
. . .
using inorganic additives [2013-01]
A23F 5/44
.
Coffee substitutes [2013-01]
A23F 5/46
.
Coffee flavour; Coffee oil; Flavouring of coffee or coffee extract (synthetic coffee flavours A23L 27/28) [2016-08]
A23F 5/465
. .
{Flavouring with flavours other than natural coffee flavour or coffee oil} [2013-01]
A23F 5/48
. .
Isolation {or recuperation} of coffee flavour or coffee oil [2013-01]
A23F 5/483
. . .
{by solvent extraction of the beans, ground or not} [2013-01]
A23F 5/486
. . .
{by distillation from beans, ground or not, e.g. stripping; Recovering volatile gases, e.g. roaster or grinder gases} [2013-01]
A23F 5/50
. . .
from coffee extract [2013-01]
A23F 5/505
. . . .
{by distillation, e.g. stripping the extract; Recovering volatile gases, e.g. during concentration} [2013-01]
A23F 2200/00
Special features [2013-01]