Skip over navigation
Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised

CPC
COOPERATIVE PATENT CLASSIFICATION
Collapse
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 .

Collapse
Preparation of malt
.
Pretreatment of grains, e.g. washing, steeping
Collapse
.
Germinating
. .
{
on single or multi-stage floors
}
. .
in boxes or drums
Collapse
. .
Influencing the germination by chemical or physical means
. . .
by irradiation or electric
{
or wave energy
}
treatment
Collapse
.
Drying
. .
Processes or apparatus specially adapted to save or recover energy
. .
Drying on fixed supports
. .
Drying on moving supports
Collapse
.
Continuous or semi-continuous processes for steeping, germinating or drying
. .
with vertical transport of the grains
. .
with horizontal transport of the grains
.
Grain or malt turning, charging or discharging apparatus
.
After-treatment of malt, e.g. malt cleaning, detachment of the germ
.
Preparation of malt extract or of special kinds of malt, e.g. caramel, black malt ( malt products for use as foodstuffs A23L )
Collapse
Treatment of hops
.
Drying
Collapse
.
Conserving ; Storing ; Packing
. .
Powder or pellets from hops
Collapse
. .
Solvent extracts from hops
. . .
{
Extraction of hops with beerwort
}
. . .
using carbon dioxide
.
Isomerised products from hops
Collapse
Other raw materials for the preparation of beer
.
{
Brewing water
}
Collapse
.
{
Enzymes
}
. .
{
Beta-glucanase or functionally equivalent enzymes
}
.
{
Hop surrogates
}
Collapse
.
Additives for beer
. .
{
enhancing the vitamin content
}
. .
{
Beer flavouring preparations
}
. .
Colouring additives
Collapse
Preparation of wort ( malt extract C12C 1/18 )
.
Pretreatment of malt, e.g. malt grinding
Collapse
.
Preparation or treatment of the mash
. .
{
Mixing malt with water
}
. .
{
Cooling the mash ( C12C 7/067 takes precedence )
}
. .
part of the mash being unmalted cereal mash
. .
part of the mash being non-cereal material
Collapse
. .
Mashing apparatus
. . .
{
with a horizontal stirrer shaft
}
. . .
{
with a vertical stirrer shaft
}
. . .
{
with cooling means
}
Collapse
.
Clarifying wort (Läuterung)
Collapse
. .
by straining
. . .
{
in a tub with a perforated false bottom
}
. . .
{
with transport of the mash by or relative to a filtering surface
}
. . .
in mash filters
. . .
in lautertuns,
{
e.g. in a tub with perforated false bottom
}
. .
by centrifuging
Collapse
.
Boiling the beerwort ( brew kettles C12C 13/02 )
Collapse
. .
{
Boiling with hops
}
. . .
Processes or apparatus specially adapted to save or recover energy
.
Clarifying beerwort between hop boiling and cooling
.
Cooling beerwort ; Clarifying beerwort during or after the cooling
Collapse
.
After-treatment,
{
e.g. sterilisation ( C12C 11/00 takes precedence )
}
. .
{
Concentration or beerwort
}
. .
{
Drying beerwort
}
. .
{
Treating beerwort with hopextract ( C12C 7/205 takes precedence )
}
Collapse
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

Collapse
.
Beerwort treatment ; Boiling with hops ; Hop extraction
. .
{
Preparation of hop extracts ( extraction with beerwort C12C 9/02 ) ; Isomerisation of these extracts; Treatment of beerwort with these extracts; Surrogates of the hop
}
Collapse
Fermentation processes for beer ( preparation of wine C12G 1/00 )
Collapse
.
{
Fermentation of beerwort
}
. .
{
Fermentation tanks therefor
}
.
Pitching yeast
.
Acidifying the wort
Collapse
.
Continuous fermentation
. .
{
Bioreactors for continuous fermentation
}
.
Fermentation with immobilised yeast
.
Post fermentation treatments, e.g. carbonation, concentration ( C12H takes precedence; containers with means specially adapted for effervescing potable liquids B65D 85/73 )
Collapse
Processes specially adapted for making special kinds of beer
Collapse
.
{
using special micro-organisms
}
. .
{
Genetically modified micro-organisms
}
. .
{
Yeasts ( processes for seeding C12C 11/02 )
}
. .
{
Lactic acid bacteria
}
.
Beer with low calorie content ( C12C 12/04 takes precedence )
.
Beer with low alcohol content
{
( removal of alcohol after fermentation C12G 3/08 )
}
Collapse
Brewing devices, not covered by a single group of C12C 1/00 to C12C 12/04
Collapse
.
Brew kettles
{
( C12C 11/075 takes precedence )
}
. .
{
heated with steam
}
. .
heated with fire
. .
with internal heating elements
.
Home brew equipment
Collapse
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
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013