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Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC)

CPC
COOPERATIVE PATENT CLASSIFICATION
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PASTEURISATION ; STERILISATION ; PRESERVATION ; PURIFICATION ; CLARIFICATION ; AGEING
NOTE
-
When classifying in this subclass, classification is also made in group B01D 15/08 insofar as subject matter of general interest relating to chromatography is concerned.

WARNING
-
The following IPC groups are not used in the CPC scheme. Subject matter covered by these groups is classified in the following CPC groups:

C12H1/044 covered by C12H 1/0408
C12H1/048 " " C12H 1/0408
C12H1/052 " " C12H 1/0416
C12H1/056 " " C12H 1/0424
C12H1/065 " " C12H 1/061
C12H1/07 " " C12H 1/063
C12H1/075 " " C12H 1/063
C12H1/15 " " C12H 1/003
C12H3/00 " " C12G 3/08
C12H3/02 " " C12G 3/12
C12H3/04 " " C12G 3/085

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Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages( simulating ageing by flavouring C12G 3/06 )
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.
{
by a biochemical process
}
. .
{
using bacterial cultures
}
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.
combined with removal of precipitate or added materials, e.g. adsorption material
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. .
with the aid of ion-exchange material or inert clarification material, e.g. adsorption material
. . .
{
with the aid of inorganic added material
}
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. . .
{
with the aid of organic added material
}
. . . .
{
with the aid of a polymer
}
. . .
{
with the aid of ion-exchange material
}
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. .
Precipitation by physical means, e.g. by irradiation, vibrations
. . .
{
Separation by centrifugation
}
. . .
{
Separation by filtration
}
. . .
by heating
. .
Precipitation by chemical means
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.
without precipitation
. .
with non-precipitating compounds, e.g. sulfiting ; Sequestration, e.g. with chelate-producing compounds
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. .
by physical means, e.g. irradiation
. . .
{
by irradiation
}
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. . .
by heating
. . . .
in containers allowing for expansion of the contents
.
Ageing or ripening by storing, e.g. lagering of beer
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013