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CPC
COOPERATIVE PATENT CLASSIFICATION
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C12C
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 )
WARNING
-
Some of the groups C12C 3/00 to C12C 7/28 might be incomplete. See Warning after C12C 9/00 .

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C12C 1/00
Preparation of malt
C12C 1/02
.
Pretreatment of grains, e.g. washing, steeping
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C12C 1/027
.
Germinating
C12C 1/0275
. .
{
on single or multi-stage floors
}
C12C 1/033
. .
in boxes or drums
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C12C 1/047
. .
Influencing the germination by chemical or physical means
C12C 1/053
. . .
by irradiation or electric
{
or wave energy
}
 treatment
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C12C 1/067
.
Drying
C12C 1/073
. .
Processes or apparatus specially adapted to save or recover energy
C12C 1/10
. .
Drying on fixed supports
C12C 1/12
. .
Drying on moving supports
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C12C 1/125
.
Continuous or semi-continuous processes for steeping, germinating or drying
C12C 1/13
. .
with vertical transport of the grains
C12C 1/135
. .
with horizontal transport of the grains
C12C 1/15
.
Grain or malt turning, charging or discharging apparatus
C12C 1/16
.
After-treatment of malt, e.g. malt cleaning, detachment of the germ
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 )
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C12C 3/00
Treatment of hops
C12C 3/02
.
Drying
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C12C 3/04
.
Conserving ; Storing ; Packing
C12C 3/06
. .
Powder or pellets from hops
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C12C 3/08
. .
Solvent extracts from hops
C12C 3/085
. . .
{
Extraction of hops with beerwort
}
C12C 3/10
. . .
using carbon dioxide
C12C 3/12
.
Isomerised products from hops
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C12C 5/00
Other raw materials for the preparation of beer
C12C 5/002
.
{
Brewing water
}
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C12C 5/004
.
{
Enzymes
}
C12C 5/006
. .
{
Beta-glucanase or functionally equivalent enzymes
}
C12C 5/008
.
{
Hop surrogates
}
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C12C 5/02
.
Additives for beer
C12C 5/023
. .
{
enhancing the vitamin content
}
C12C 5/026
. .
{
Beer flavouring preparations
}
C12C 5/04
. .
Colouring additives
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C12C 7/00
Preparation of wort ( malt extract C12C 1/18 )
C12C 7/01
.
Pretreatment of malt, e.g. malt grinding
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C12C 7/04
.
Preparation or treatment of the mash
C12C 7/042
. .
{
Mixing malt with water
}
C12C 7/044
. .
{
Cooling the mash ( C12C 7/067 takes precedence )
}
C12C 7/047
. .
part of the mash being unmalted cereal mash
C12C 7/053
. .
part of the mash being non-cereal material
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C12C 7/06
. .
Mashing apparatus
C12C 7/062
. . .
{
with a horizontal stirrer shaft
}
C12C 7/065
. . .
{
with a vertical stirrer shaft
}
C12C 7/067
. . .
{
with cooling means
}
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C12C 7/14
.
Clarifying wort (Läuterung)
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C12C 7/16
. .
by straining
C12C 7/161
. . .
{
in a tub with a perforated false bottom
}
C12C 7/163
. . .
{
with transport of the mash by or relative to a filtering surface
}
C12C 7/165
. . .
in mash filters
C12C 7/17
. . .
in lautertuns,
{
e.g. in a tub with perforated false bottom
}
C12C 7/175
. .
by centrifuging
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C12C 7/20
.
Boiling the beerwort ( brew kettles C12C 13/02 )
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C12C 7/205
. .
{
Boiling with hops
}
C12C 7/22
. . .
Processes or apparatus specially adapted to save or recover energy
C12C 7/24
.
Clarifying beerwort between hop boiling and cooling
C12C 7/26
.
Cooling beerwort ; Clarifying beerwort during or after the cooling
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C12C 7/28
.
After-treatment,
{
e.g. sterilisation ( C12C 11/00 takes precedence )
}
C12C 7/282
. .
{
Concentration or beerwort
}
C12C 7/285
. .
{
Drying beerwort
}
C12C 7/287
. .
{
Treating beerwort with hopextract ( C12C 7/205 takes precedence )
}
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C12C 9/00
Methods specially adapted for the making of beerwort
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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C12C 9/02
.
Beerwort treatment ; Boiling with hops ; Hop extraction
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
}
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C12C 11/00
Fermentation processes for beer ( preparation of wine C12G 1/00 )
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C12C 11/003
.
{
Fermentation of beerwort
}
C12C 11/006
. .
{
Fermentation tanks therefor
}
C12C 11/02
.
Pitching yeast
C12C 11/06
.
Acidifying the wort
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C12C 11/07
.
Continuous fermentation
C12C 11/075
. .
{
Bioreactors for continuous fermentation
}
C12C 11/09
.
Fermentation with immobilised yeast
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 )
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C12C 12/00
Processes specially adapted for making special kinds of beer
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C12C 12/002
.
{
using special micro-organisms
}
C12C 12/004
. .
{
Genetically modified micro-organisms
}
C12C 12/006
. .
{
Yeasts ( processes for seeding C12C 11/02 )
}
C12C 12/008
. .
{
Lactic acid bacteria
}
C12C 12/02
.
Beer with low calorie content ( C12C 12/04 takes precedence )
C12C 12/04
.
Beer with low alcohol content
{
( removal of alcohol after fermentation C12G 3/08 )
}
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C12C 13/00
Brewing devices, not covered by a single group of C12C 1/00 to C12C 12/04
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C12C 13/02
.
Brew kettles
{
( C12C 11/075 takes precedence )
}
C12C 13/025
. .
{
heated with steam
}
C12C 13/06
. .
heated with fire
C12C 13/08
. .
with internal heating elements
C12C 13/10
.
Home brew equipment
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C12C 2200/00
Special features
C12C 2200/01
.
Use of specific genetic variants of barley or other sources of fermentable carbohydrates for beer brewing
C12C 2200/05
.
Use of genetically modified microorganisms in the preparation of beer
C12C 2200/31
.
Clarifying wort before or during or after cooling ;
C12C 2200/35
.
Dissolving, reconstituting or diluting concentrated or dried wort
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Last Modified: 04/16/2013 4:31:16 PM