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CPC
COOPERATIVE PATENT CLASSIFICATION
C13B
PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR (chemically synthesised sugars or sugar derivatives C07H; fermentation or enzyme-using processes for preparing compounds containing saccharide radicals C12P 19/00) [2013-01]
NOTE

  • In this subclass, the following terms or expressions are used with the meanings indicated :
    • "sugar" is used in its non-scientific meaning and refers to sucrose, also called "table sugar" or saccharose", a white crystalline disaccharide;
    • "sugar juices" are solutions of sugar, essentially comprising sucrose, which are derived from different plants, e.g. beet, cane or maple;
    • "syrups" are highly concentrated sugar juices.
C13B 5/00
Reducing the size of material from which sugar is to be extracted (for extraction of starch C08B 30/02) [2013-01]
C13B 5/02
.
Cutting sugar cane [2013-01]
C13B 5/04
.
Shredding sugar cane [2013-01]
C13B 5/06
.
Slicing sugar beet [2013-01]
C13B 5/08
.
Knives; Adjustment or maintenance thereof [2013-01]
C13B 10/00
Production of sugar juices (tapping of tree-juices A01G 23/10; tapping-spouts, receptacles for juices A01G 23/14) [2013-01]
C13B 10/003
.
{using chemicals other than extracting agents} [2013-01]
C13B 10/006
.
{Conservation of sugar juices} [2013-01]
C13B 10/02
.
Expressing juice from sugar cane or similar material, e.g. sorghum saccharatum [2013-01]
C13B 10/025
. .
{Treatment of sugar cane before extraction (C13B 5/00 takes precedence)} [2013-01]
C13B 10/04
. .
combined with imbibition [2013-01]
C13B 10/06
. .
Sugar-cane crushers [2013-01]
C13B 10/08
.
Extraction of sugar from sugar beet with water [2013-01]
C13B 10/083
. .
{Treatment of sugar beet before extraction (C13B 5/00 takes precedence)} [2013-01]
C13B 10/086
. .
{Processes or apparatus with discontinuous loading} [2013-01]
C13B 10/10
. .
Continuous processes [2013-01]
C13B 10/102
. . .
{having rotatable means for agitation or transportation} [2013-01]
C13B 10/105
. . . .
{Rotating apparatus} [2013-01]
C13B 10/107
. . .
{with transportation in the form of thin layers, e.g. by endless chains} [2013-01]
C13B 10/12
. .
Details of extraction apparatus, e.g. arrangements of pipes or valves [2013-01]
C13B 10/14
.
using extracting agents other than water, e.g. alcohol or salt solutions [2013-01]
C13B 15/00
Expressing water from material from which sugar has been extracted (from starch-extracted material C08B 30/10) [2013-01]
C13B 15/02
.
between perforated moving belts [2013-01]
C13B 20/00
Purification of sugar juices [2013-01]
NOTE

  • When classifying in this group, classification is also made in group B01D 15/08 insofar as subject matter of general interest relating to chromatography is concerned
C13B 20/002
.
{using microorganisms or enzymes} [2017-08]
C13B 20/005
.
{using chemicals not provided for in groups C13B 20/02 - C13B 20/14} [2016-05]
C13B 20/007
. .
{Saturation with gases or fumes, e.g. carbon dioxide} [2013-01]
C13B 20/02
.
using alkaline earth metal compounds [2013-01]
C13B 20/04
. .
followed by saturation [2013-01]
C13B 20/06
. . .
with carbon dioxide or sulfur dioxide [2013-01]
C13B 20/08
.
by oxidation or reduction [2013-01]
C13B 20/10
. .
using sulfur dioxide or sulfites [2013-01]
C13B 20/12
.
using adsorption agents, e.g. active carbon [2013-01]
C13B 20/123
. .
{Inorganic agents, e.g. active carbon} [2013-01]
C13B 20/126
. .
{Organic agents, e.g. polyelectrolytes} [2013-01]
C13B 20/14
.
using ion-exchange materials [2013-01]
C13B 20/142
. .
{Mixed bed (C13B 20/148 takes precedence)} [2013-01]
C13B 20/144
. .
{using only cationic ion-exchange material (C13B 20/148 takes precedence)} [2013-01]
C13B 20/146
. .
{using only anionic ion-exchange material (C13B 20/148 takes precedence)} [2013-01]
C13B 20/148
. .
{for fractionating, adsorption or ion exclusion processes combined with elution or desorption of a sugar fraction} [2013-01]
C13B 20/16
.
by physical means, e.g. osmosis or filtration [2013-01]
C13B 20/165
. .
{using membranes, e.g. osmosis, ultrafiltration (electrodialysis C13B 20/18)} [2013-01]
C13B 20/18
.
by electrical means [2013-01]
C13B 25/00
Evaporators or boiling pans specially adapted for sugar juices; Evaporating or boiling sugar juices [2013-01]
C13B 25/001
.
{with heating tubes or plates} [2013-01]
C13B 25/003
.
{with heating plates} [2013-01]
C13B 25/005
.
{with heating coils} [2013-01]
C13B 25/006
.
{rotating apparatus} [2013-01]
C13B 25/008
.
{with direct contact between heating medium and sugar solution} [2013-01]
C13B 25/02
.
Details, e.g. for preventing foaming or for catching juice [2013-01]
C13B 25/04
. .
Heating equipment [2013-01]
C13B 25/06
.
combined with measuring instruments for effecting control of the process [2013-01]
C13B 30/00
Crystallisation; Crystallising apparatus; Separating crystals from mother liquors {; Evaporating or boiling sugar juice} [2017-08]
C13B 30/002
.
{Evaporating or boiling sugar juice} [2013-01]
C13B 30/005
. .
{using chemicals} [2013-01]
C13B 30/007
. .
{Multiple effect evaporation} [2013-01]
C13B 30/02
.
Crystallisation; Crystallising apparatus [2013-01]
C13B 30/021
. .
{using chemicals} [2013-01]
C13B 30/022
. .
{Continuous processes, apparatus therefor (C13B 30/028 takes precedence)} [2013-01]
C13B 30/023
. . .
{having rotatable means for agitation or transportation} [2013-01]
C13B 30/025
. . .
{combined with measuring instruments for effecting control of the process} [2013-01]
C13B 30/026
. .
{Discontinuous processes or apparatus therefor (C13B 30/028 takes precedence)} [2013-01]
C13B 30/027
. . .
{combined with measuring instruments for effecting control of the process} [2013-01]
C13B 30/028
. .
{obtaining sugar crystals by drying sugar syrup or sugar juice, e.g. spray-crystallisation} [2013-01]
C13B 30/04
.
Separating crystals from mother liquor [2013-01]
C13B 30/06
. .
by centrifugal force [2013-01]
C13B 30/08
. .
Washing residual mother liquor from crystals [2013-01]
C13B 30/10
. . .
in centrifuges [2013-01]
C13B 30/12
. .
Recycling mother liquor or wash liquors [2013-01]
C13B 30/14
. .
Dissolving or refining raw sugar [2013-01]
C13B 35/00
Extraction of sucrose from molasses [2013-01]
C13B 35/005
.
{using microorganisms or enzymes} [2017-08]
C13B 35/02
.
by chemical means [2013-01]
C13B 35/04
. .
by precipitation as alkaline earth metal saccharates [2013-01]
C13B 35/06
. .
using ion exchange [2013-01]
C13B 35/08
.
by physical means, e.g. osmosis [2013-01]
C13B 40/00
Drying sugar [2013-01]
C13B 40/002
.
{Drying sugar or syrup in bulk} [2013-01]
C13B 40/005
. .
{combined with agglomeration} [2013-01]
C13B 40/007
.
{Drying sugar in compacted form, e.g. cubes} [2013-01]
C13B 45/00
Cutting machines specially adapted for sugar [2013-01]
C13B 45/02
.
in combination with sorting and packing machines [2013-01]
C13B 50/00
Sugar products, e.g. powdered, lump or liquid sugar; Working-up of sugar (C13B 40/00, C13B 45/00 take precedence; confectionery A23G 3/00) [2013-01]
C13B 50/002
.
{Addition of chemicals or other foodstuffs} [2013-01]
C13B 50/004
.
{Agglomerated sugar products; Agglomeration} [2013-01]
C13B 50/006
.
{Molasses; Treatment of molasses (extraction of sucrose C13B 35/00)} [2013-01]
C13B 50/008
. .
{Drying} [2013-01]
C13B 50/02
.
formed by moulding sugar [2013-01]
C13B 99/00
Subject matter not provided for in other groups of this subclass [2013-01]