1. CPC Sections
  2. CPC Section B
  3. CPC Class B09
  4. CPC Subclass B09B
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Version: 2023.08
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CPC
COOPERATIVE PATENT CLASSIFICATION
​
B09B
DISPOSAL OF SOLID WASTE [2023-01]
NOTES

  • This subclass covers only single or combined, e.g. multistage, operations not fully classifiable in a single other subclass
  • In this subclass the following terms or expressions are added with the meanings indicated :
    • "disposal" means the discarding, e.g. dumping, or destroying of waste or its transformation into something useful or harmless;
    • "solid waste" includes waste which, although it has liquid content, is for practical purposes handled as solid
  • Attention is drawn to the following places:
    A23J 1/16 Obtaining proteins from waste water of starch manufacturing plants of like wastes
    A23K 10/26, A23K 10/37Animal feeding-stuffs from waste products of animal origin or of plant origin
    A23K 10/38 Animal feeding-stuffs from distillers' or brewers' waste
    A23K 10/28 Animal feeding-stuffs from waste dairy products
    A23K 10/20 Animal feeding-stuffs from kitchen waste
    A43B 1/12 Footwear made of rubber waste
    A61L 11/00 Disinfection or sterilisation methods specially adapted for refuse
    A62D 3/00 Chemical means for combatting harmful chemical agents; processes for making harmful chemical agents harmless
    B01D 53/34 Chemical purification of smoke or fumes, e.g. flue gas
    {B02C 18/0084} Disintegrating by knives or other cutting or tearing members, which chop material into fragments, specially adapted for disintegrating garbage, waste or sewage
    B03B 7/00 Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
    B03B 9/06 General arrangement of separating plant, e.g. flow sheets, specially adapted for refuse
    B05B 12/16, B05B 14/00 Control of spray area of spraying plant, e.g. masking, side shields; Means for collection or re-use of excess material
    B08B 15/00 Prevent escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    B22F 8/00Manufacture of articles from scrap or waste metal particles
    B23D 25/14 Machines or arrangements for shearing stock while the latter is travelling otherwise than in the direction of the cut without regard to the exact dimensions of the resulting material, e.g. for cutting up scrap
    B24B 55/12Devices for recovering materials from grinding or polishing
    B27B 33/20 Edge trimming saw blades or tools combined with means to disintegrate waste
    B29B 17/00 Recovery of plastics or other constituents of waste material containing plastics
    B30B 9/32 Presses for consolidating scrap metal or for compacting used cars
    B62D 67/00Systematic disassembly of vehicles for recovery of salvageable components, e.g. for recycling
    B63B 17/06 Refuse discharge from vessels, e.g. for ash
    {B63J 4/006}Arrangements of installation for treating waste water or sewage on vessels
    B63J 4/00Arrangements of installations for treating waste water or sewage on vessels
    B65F 1/00 Refuse receptacles
    B65F 3/00 Vehicles particularly adapted for collecting refuse
    B65F 5/00 Gathering or removal of refuse otherwise than by receptacles or vehicles
    B65F 7/00 Cleaning or disinfecting devices combined with refuse receptacles or refuse vehicles
    C03C 1/00 Ingredients generally applicable to manufacture of glasses, glazes or vitreous enamels
    C04B 7/24 Hydraulic cements from oil shales, residues or waste other than slag
    C04B 11/26 Calcium sulfate cements from phosphogypsum or from waste, e.g. purification products of smoke
    C04B 18/04 Waste materials or refuse used as fillers for mortars, concrete, artificial stone or the like
    {C04B 22/0006} Waste inorganic materials used as active ingredients for mortars, concrete, artificial stone or the like
    {C04B 24/001} Waste organic materials used as active ingredients for mortars, concrete, artificial stone or the like
    C04B 33/132Waste materials or refuse used as compounding for clay-wares
    C05F 9/00 Fertilisers made from household or town refuse
    C08B 16/00Regeneration of cellulose
    C08J 11/00 Recovery of waste materials of macromolecular substances
    C08L 17/00 Compositions of reclaimed rubber
    C09K 11/01Recovery of luminescent materials
    C10B 53/00 Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    C10B 57/00 Other processes not covered before; Features of destructive distillation processes in general
    C10G 1/10 Production of liquid hydrocarbon mixtures from rubber or rubber waste
    C10L 5/46 Solid fuels essentially based on sewage, house or town refuse
    C10L 5/48 Solid fuels essentially based on industrial residues and waste materials
    C10M 175/02 Working-up used lubricants based on mineral oils
    C11B 13/00 Recovery of fats, fatty oils, or fatty acids from waste materials
    C11D 19/00 Recovery of glycerol from a saponification liquor
    C12F 3/00 Recovery of by-products
    C12F 3/08 Recovery of alcohol from press residues or other waste material
    C12P 7/08 Biochemical production of ethanol from waste
    C22B 7/00 Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof
    C22B 19/28 Obtaining zinc or zinc oxide from muffle furnace residues
    C22B 19/30 Obtaining zinc or zinc oxide from metallic residues or scrap
    C22B 25/06 Obtaining tin from scrap
    C25D 13/24Regeneration of process liquids used in electrophoretic coatings
    C25D 21/16Regeneration of process solutions used in electrolytic coating
    D01B Mechanical treatment of natural fibrous or filamentary material to obtain fibres or filaments, e.g. for spinning
    D01C 5/00 Carbonising rags to recover animal fibres
    D01F 13/00 Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like
    D01G 11/00 Disintegrating fibre-containing articles to obtain fibres for re-use
    D01H 11/00 Arrangements for confining or removing dust, fly, or the like
    D06L 1/10 Regeneration of used chemical baths used for dry-cleaning or washing fibres, fabrics or the like
    D21B 1/08 Dry treatment of waste paper or rags for making paper or for the production of cellulose
    D21B 1/32 Defibrating waste paper
    D21C 5/02 Processes for obtaining cellulose by working-up waste paper
    D21C 11/14 Regeneration of pulp liquors by wet combustion
    D21F 1/66 Re-use of pulp-water in wet end machines for making continuous webs of paper
    D21H 17/01 Waste products added to the pulp or used in paper-impregnating material
    E03F Sewers, Cesspools
    E04F 17/10 Arrangements in building for the disposal of refuse
    F23B 5/00 Combustion apparatus arrangements for burning uncombusted material from primary combustion
    F23G Consuming waste products by combustion
    F23J Removal or treatment of combustion products or combustion residues
    G03C 11/24 Removing emulsion from waste photographic material
    G03G 21/10Collecting or recycling waste developer used in electrography, electrophotography, magnetography
    G21F 9/28Treating radioactively contaminated solids
    H01B 15/00 Apparatus or processes for salvaging material from electric cables
    H01J 9/52Recovery of material from discharge tubes or lamps
    H01M 6/52 Reclaiming serviceable parts of waste cells or batteries
    H01M 10/54 Reclaiming serviceable parts of waste accumulators
  • In this subclass, it is desirable to add the indexing codes of group B09B 2101/00.
B09B 1/00
Dumping solid waste [2013-01]
B09B 1/002
.
{Sea dumping} [2023-01]
B09B 1/004
.
{Covering of dumping sites} [2013-01]
B09B 1/006
.
{Shafts or wells in waste dumps} [2013-01]
B09B 1/008
.
{Subterranean disposal, e.g. in boreholes or subsurface fractures} [2016-08]
​
B09B 3/00
Destroying solid waste or transforming solid waste into something useful or harmless [2022-01]
WARNING

​
B09B 3/0066
(Frozen)
.
{Disposal of asbestos} [2022-01]
WARNING

​
B09B 3/0075
(Frozen)
.
{Disposal of medical waste (casings for used articles, e.g. sharps A61B 50/362; sterilisation of refuse A61L 11/00; disposal of used needles or syringes A61M 5/3205; disintegrating medical waste B02C 19/0075)} [2022-01]
WARNING

B09B 3/10
.
involving an adsorption step [2022-01]
​
B09B 3/20
.
Agglomeration, binding or encapsulation of solid waste [2022-01]
WARNING

​
B09B 3/21
. .
using organic binders or matrix [2022-01]
WARNING

​
B09B 3/23
. . .
Binders with asphalt [2022-01]
WARNING

​
B09B 3/24
. . .
Binders with plastic [2022-01]
WARNING

​
B09B 3/25
. .
using mineral binders or matrix [2022-01]
WARNING

​
B09B 3/27
. . .
Binding by sodium silicate, e.g. cement or water glass [2022-01]
WARNING

B09B 3/29
. . .
involving a melting or softening step [2022-01]
​
B09B 3/30
.
involving mechanical treatment (involving an extraction step B09B 3/80) [2022-01]
WARNING

​
B09B 3/32
. .
Compressing or compacting [2022-01]
WARNING

​
B09B 3/35
. .
Shredding, crushing or cutting [2022-01]
WARNING

​
B09B 3/38
. .
Stirring or kneading [2022-01]
WARNING

​
B09B 3/40
.
involving thermal treatment, e.g. evaporation (processes using mineral binders involving a melting or softening step B09B 3/29; involving radiation B09B 3/50) [2022-01]
WARNING

B09B 3/45
. .
Steam treatment, e.g. supercritical water gasification or oxidation [2022-01]
​
B09B 3/50
.
involving radiation, e.g. electro-magnetic waves [2022-01]
WARNING

​
B09B 3/60
.
Biochemical treatment, e.g. by using enzymes [2022-01]
WARNING

B09B 3/65
. .
Anaerobic treatment [2022-01]
​
B09B 3/70
.
Chemical treatment, e.g. pH adjustment or oxidation (involving an extraction step B09B 3/80; processes for making harmful chemical substances harmless by effecting a chemical change in the substances A62D 3/00) [2022-01]
WARNING

​
B09B 3/80
.
involving an extraction step [2022-01]
WARNING

​
B09B 5/00
Operations not covered by a single other subclass or by a single other group in this subclass [2022-01]
WARNING

Indexing scheme associated with groups B09B 1/00 – B09B 5/00, relating to the type of disposed solid waste [2022-01]
B09B 2101/00
Type of solid waste [2022-01]
B09B 2101/007
.
{Fuel tanks, especially draining thereof} [2022-01]
B09B 2101/014
.
{Shock absorbers, especially draining thereof} [2022-01]
B09B 2101/018
.
{Animal meals} [2022-01]
​
B09B 2101/02
.
Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators [2022-01]
WARNING

B09B 2101/05
.
Vehicles; Vehicle parts [2022-01]
B09B 2101/10
.
Cans [2022-01]
B09B 2101/15
.
Electronic waste [2022-01]
B09B 2101/16
. .
Batteries [2022-01]
B09B 2101/17
. .
Printed circuit boards [PCB] [2023-02]
B09B 2101/18
. .
Mobile phones; Tablets [2022-01]
B09B 2101/20
.
Filters, e.g. oil filters [2022-01]
B09B 2101/25
.
Non-industrial waste, e.g. household waste [2022-01]
B09B 2101/30
.
Incineration ashes [2022-01]
​
B09B 2101/35
.
Asbestos [2022-01]
WARNING

B09B 2101/40
.
Asphalt [2022-01]
B09B 2101/45
.
Concrete [2022-01]
B09B 2101/50
.
Glass [2022-01]
B09B 2101/55
.
Slag [2022-01]
B09B 2101/60
.
Ceramics, e.g. pottery [2022-01]
​
B09B 2101/65
.
Medical waste [2022-01]
WARNING

  • Groups B09B 2101/65 and B09B 2101/67 are incomplete pending reclassification of documents from group B09B 3/0075.
    All groups listed in this Warning should be considered in order to perform a complete search.
B09B 2101/67
. .
Diapers or nappies [2022-01]
B09B 2101/68
. .
Transdermal patches [2022-01]
B09B 2101/70
.
Kitchen refuse; Food waste [2022-01]
B09B 2101/75
.
Plastic waste [2022-01]
B09B 2101/77
. .
containing chlorine [2022-01]
​
B09B 2101/78
. .
containing foamed plastics, e.g. polystyrol [2022-01]
WARNING

B09B 2101/80
.
Rubber waste, e.g. scrap tyres [2022-01]
B09B 2101/85
.
Paper; Wood; Fabrics, e.g. cloths [2022-01]
B09B 2101/90
.
Soil, e.g. excavated soil from construction sites [2022-01]
B09B 2101/95
.
Waste catalysts; Waste ion exchange materials; Waste adsorbents [2022-01]