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Indent Level
Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised
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CPC
COOPERATIVE PATENT CLASSIFICATION
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BREWING OF BEER (cleaning of raw materials A23N; pitching and depitching machines, cellar tools C12L; propagating yeasts C12N 1/14 ; non-beverage ethanolic fermentation C12P 7/06) [2013‑01]
WARNING

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Preparation of malt [2013‑01]
C12C 1/02
.
Pretreatment of grains, e.g. washing, steeping [2013‑01]
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.
Germinating [2013‑01]
C12C 1/0275
. .
{
on single or multi-stage floors
}
[2013‑01]
C12C 1/033
. .
in boxes or drums [2013‑01]
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. .
Influencing the germination by chemical or physical means [2013‑01]
C12C 1/053
. . .
by irradiation or electric
{
or wave energy
}
treatment [2013‑01]
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.
Drying [2013‑01]
C12C 1/073
. .
Processes or apparatus specially adapted to save or recover energy [2013‑01]
C12C 1/10
. .
Drying on fixed supports [2013‑01]
C12C 1/12
. .
Drying on moving supports [2013‑01]
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.
Continuous or semi-continuous processes for steeping, germinating or drying [2013‑01]
C12C 1/13
. .
with vertical transport of the grains [2013‑01]
C12C 1/135
. .
with horizontal transport of the grains [2013‑01]
C12C 1/15
.
Grain or malt turning, charging or discharging apparatus [2013‑01]
C12C 1/16
.
After-treatment of malt, e.g. malt cleaning, detachment of the germ [2013‑01]
C12C 1/18
.
Preparation of malt extract or of special kinds of malt, e.g. caramel, black malt (malt products for use as foodstuffs A23L) [2013‑01]
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Treatment of hops [2013‑01]
C12C 3/02
.
Drying [2013‑01]
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.
Conserving; Storing; Packing [2013‑01]
C12C 3/06
. .
Powder or pellets from hops [2013‑01]
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. .
Solvent extracts from hops [2013‑01]
C12C 3/085
. . .
{
Extraction of hops with beerwort
}
[2013‑01]
C12C 3/10
. . .
using carbon dioxide [2013‑01]
C12C 3/12
.
Isomerised products from hops [2013‑01]
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Other raw materials for the preparation of beer [2013‑01]
C12C 5/002
.
{
Brewing water
}
[2013‑01]
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.
{
Enzymes
}
[2013‑01]
C12C 5/006
. .
{
Beta-glucanase or functionally equivalent enzymes
}
[2013‑01]
C12C 5/008
.
{
Hop surrogates
}
[2013‑01]
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.
Additives for beer [2013‑01]
C12C 5/023
. .
{
enhancing the vitamin content
}
[2013‑01]
C12C 5/026
. .
{
Beer flavouring preparations
}
[2013‑01]
C12C 5/04
. .
Colouring additives [2013‑01]
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Preparation of wort (malt extract C12C 1/18) [2013‑01]
C12C 7/01
.
Pretreatment of malt, e.g. malt grinding [2013‑01]
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.
Preparation or treatment of the mash [2013‑01]
C12C 7/042
. .
{
Mixing malt with water
}
[2013‑01]
C12C 7/044
. .
{
Cooling the mash (C12C 7/067 takes precedence)
}
[2013‑01]
C12C 7/047
. .
part of the mash being unmalted cereal mash [2013‑01]
C12C 7/053
. .
part of the mash being non-cereal material [2013‑01]
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. .
Mashing apparatus [2013‑01]
C12C 7/062
. . .
{
with a horizontal stirrer shaft
}
[2013‑01]
C12C 7/065
. . .
{
with a vertical stirrer shaft
}
[2013‑01]
C12C 7/067
. . .
{
with cooling means
}
[2013‑01]
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.
Clarifying wort (Läuterung) [2013‑01]
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. .
by straining [2013‑01]
C12C 7/161
. . .
{
in a tub with a perforated false bottom
}
[2013‑01]
C12C 7/163
. . .
{
with transport of the mash by or relative to a filtering surface
}
[2013‑01]
C12C 7/165
. . .
in mash filters [2013‑01]
C12C 7/17
. . .
in lautertuns,
{
e.g. in a tub with perforated false bottom
}
[2013‑01]
C12C 7/175
. .
by centrifuging [2013‑01]
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.
Boiling the beerwort (brew kettles C12C 13/02) [2013‑01]
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. .
{
Boiling with hops
}
[2013‑01]
C12C 7/22
. . .
Processes or apparatus specially adapted to save or recover energy [2013‑01]
C12C 7/24
.
Clarifying beerwort between hop boiling and cooling [2013‑01]
C12C 7/26
.
Cooling beerwort; Clarifying beerwort during or after the cooling [2013‑01]
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.
After-treatment,
{
e.g. sterilisation (C12C 11/00 takes precedence)
}
[2013‑01]
C12C 7/282
. .
{
Concentration or beerwort
}
[2013‑01]
C12C 7/285
. .
{
Drying beerwort
}
[2013‑01]
C12C 7/287
. .
{
Treating beerwort with hopextract (C12C 7/205 takes precedence)
}
[2013‑01]
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Methods specially adapted for the making of beerwort [2013‑01]
WARNING

  • From 1st August 2003 onwards, the IPC5-based groups C12C 9/00 to C12C 9/025 are no longer used for classification of new documents. Patent documents classified in these groups are being continuously reclassified to the corresponding groups C12C 3/00 to C12C 7/00
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.
Beerwort treatment; Boiling with hops; Hop extraction [2013‑01]
C12C 9/025
. .
{
Preparation of hop extracts (extraction with beerwort C12C 9/02); Isomerisation of these extracts; Treatment of beerwort with these extracts; Surrogates of the hop
}
[2013‑01]
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Fermentation processes for beer (preparation of wine C12G 1/00) [2013‑01]
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.
{
Fermentation of beerwort
}
[2013‑01]
C12C 11/006
. .
{
Fermentation tanks therefor
}
[2013‑01]
C12C 11/02
.
Pitching yeast [2013‑01]
C12C 11/06
.
Acidifying the wort [2013‑01]
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.
Continuous fermentation [2013‑01]
C12C 11/075
. .
{
Bioreactors for continuous fermentation
}
[2013‑01]
C12C 11/09
.
Fermentation with immobilised yeast [2013‑01]
C12C 11/11
.
Post fermentation treatments, e.g. carbonation, concentration (C12H takes precedence; containers with means specially adapted for effervescing potable liquids B65D 85/73) [2013‑01]
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Processes specially adapted for making special kinds of beer [2013‑01]
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.
{
using special micro-organisms
}
[2013‑01]
C12C 12/004
. .
{
Genetically modified micro-organisms
}
[2013‑01]
C12C 12/006
. .
{
Yeasts (processes for seeding C12C 11/02)
}
[2013‑01]
C12C 12/008
. .
{
Lactic acid bacteria
}
[2013‑01]
C12C 12/02
.
Beer with low calorie content (C12C 12/04 takes precedence) [2013‑01]
C12C 12/04
.
Beer with low alcohol content
{
(removal of alcohol after fermentation C12G 3/08)
}
[2013‑01]
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Brewing devices, not covered by a single group of C12C 1/00 to C12C 12/04 [2013‑01]
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.
Brew kettles
{
(C12C 11/075 takes precedence)
}
[2013‑01]
C12C 13/025
. .
{
heated with steam
}
[2013‑01]
C12C 13/06
. .
heated with fire [2013‑01]
C12C 13/08
. .
with internal heating elements [2013‑01]
C12C 13/10
.
Home brew equipment [2013‑01]
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C12C 2200/00
Special features [2013‑01]
C12C 2200/01
.
Use of specific genetic variants of barley or other sources of fermentable carbohydrates for beer brewing [2013‑01]
C12C 2200/05
.
Use of genetically modified microorganisms in the preparation of beer [2013‑01]
C12C 2200/31
.
Clarifying wort before or during or after cooling; [2013‑01]
C12C 2200/35
.
Dissolving, reconstituting or diluting concentrated or dried wort [2013‑01]
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013