B
SECTION B — PERFORMING OPERATIONS; TRANSPORTING
 B01 - 
B07
Subsection index
LIQUID/LIQUID, LIQUID/GAS OR GAS/GAS SEPARATION
Method
General operationsB01D
by centrifugal force, using centrifuges or free-vortex apparatusB01D
using magnetic or electrostatic effectB03C
Apparatus
General operationsB01D
by centrifugal force, using centrifuges or free-vortex apparatusB04B, B04C
using magnetic or electrostatic effectB03C
SOLID/LIQUID OR SOLID/GAS SEPARATION
Method
General operationsB01D
by centrifugal forceB01D
using centrifuges or free-vortex apparatusB01D
using magnetic or electrostatic effectB03C
Apparatus
General operationsB01D
by centrifugal forceB01D
using centrifuges or free-vortex apparatusB04B, B04C
using magnetic or electrostatic effectB03C
SOLID/SOLID SEPARATION
Method
Dry methods
material in bulkB07B
Individual sortingB07C
Screening, sifting, pneumatic sortingB07B
using pneumatic tables or jigsB03B
by magnetic or electrostatic effectB03C
by centrifugal forceB07B
using centrifuges or free-vortex apparatusB07B
Wet methods
General operationsB03B
flotation, differential sedimentationB03D
screeningB07B
Combinations Dry methods - wet methodsB03B
Apparatus
Dry methods
material in bulkB07B
Individual sortingB07C
Screening, sifting, pneumatic sortingB07B
using pneumatic tables or jigsB03B
by magnetic or electrostatic effectB03C
by centrifugal forceB07B
using centrifuges or free-vortex apparatusB04B, B04C
Wet methods
General operationsB03B
flotation, differential sedimentationB03D
screeningB07B
Combinations Dry methods - wet methodsB03B
  
PRINTING
 B41
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS (reproduction or duplication of pictures or patterns by scanning and converting into electrical signals H04N)  [4]
 B41M
PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING (correction of typographical errors B41J; processes for applying transfer pictures or the like B44C 1/16; fluid media for correction of typographical errors by coating C09D 10/00; printing textiles D06P)
P:20 B41M 1/00
Inking and printing with a printer's forme
 B41M 1/02
·  Letterpress printing, e.g. book printing
 B41M 1/04
·  ·  Flexographic printing
 B41M 1/06
·  Lithographic printing
 B41M 1/08
·  ·  Dry printing
 B41M 1/10
·  Intaglio printing
 B41M 1/12
·  Stencil printing; Silk-screen printing
 B41M 1/14
·  Multicolour printing
 B41M 1/16
·  ·  using different inks which flow into one another to produce iridescent effects
 B41M 1/18
·  ·  Printing one ink over another
 B41M 1/20
·  ·  by applying differently-coloured inks simultaneously to different parts of the printing surface
 B41M 1/22
·  Metallic printing; Printing with powdered inks
 B41M 1/24
·  combined with embossing (printing machines for carrying out printing operations combined with embossing B41F 19/02)  [2]
 B41M 1/26
·  Printing on other surfaces than ordinary paper (B41M 1/40 takes precedence)
 B41M 1/28
·  ·  on metals
 B41M 1/30
·  ·  on organic plastics, horn, or like materials
 B41M 1/32
·  ·  on rubber
 B41M 1/34
·  ·  on glass or ceramic surfaces
 B41M 1/36
·  ·  on pretreated paper, e.g. on parchment, oiled paper, paper for registration purposes
 B41M 1/38
·  ·  on wooden surfaces, leather, or linoleum (printing on matches or match boxes when combined with match manufacture C06F 1/18)
 B41M 1/40
·  Printing on bodies of particular shapes
 B41M 1/42
·  Printing without contact between forme and surface to be printed, e.g. by using electrostatic fields  [2]
P:0 B41M 3/00
Printing processes to produce particular kinds of printed work, e.g. patterns (special designs or pictures per se B44F; manufacturing printed circuits using printing techniques H05K 3/12)  [5]
 B41M 3/02
·  Maps; Sea or meteorological charts
 B41M 3/04
·  Music
 B41M 3/06
·  Veined printings; Fluorescent printings; Stereoscopic images; Imitated patterns, e.g. tissues, textiles  [5]
 B41M 3/10
·  Watermarks
 B41M 3/12
·  Transfer pictures or the like, e.g. decalcomanias
 B41M 3/14
·  Security printing
 B41M 3/16
·  Braille printing (typewriters or selective printing mechanisms for Braille printing B41J 3/32)  [2]
 B41M 3/18
·  Particular kinds of wallpapers
P:30 B41M 5/00
Duplicating or marking methods; Sheet materials for use therein (by using light-sensitive materials G03; electrography, magnetography G03G)
 B41M 5/025
·  by transferring ink from the master sheet  [4]
 B41M 5/03
·  ·  by pressure  [4]
 B41M 5/035
·  ·  by sublimation or volatilisation of design  [4]
 B41M 5/04
·  ·  using solvent-soluble dyestuffs on the master sheet, e.g. alcohol-soluble  [5]
 B41M 5/06
·  ·  using master sheets coated with jelly-like materials, e.g. gelatin
 B41M 5/08
·  ·  ·  Sheet materials therefor
 B41M 5/10
·  by using carbon paper or the like
 B41M 5/124
·  using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components  [5]
 B41M 5/128
·  ·  Desensitisers; Compositions for fault correction, detection or identification of the layers  [5]
 B41M 5/132
·  ·  Chemical colour-forming components; Additives or binders therefor  [5]
 B41M 5/136
·  ·  ·  Organic colour formers, e.g. leuco dyes  [5]
 B41M 5/145
·  ·  ·  ·  with a lactone or lactam ring  [5]
 B41M 5/15
·  ·  ·  ·  Spiro-pyrans  [5]
 B41M 5/155
·  ·  ·  Colour-developing components, e.g. acidic compounds; Additives or binders therefor; Layers containing such colour-developing components, additives or binders  [5]
 B41M 5/165
·  ·  characterised by the use of microcapsules; Special solvents for incorporating the ingredients  [5]
 B41M 5/20
·  using electric current (B41M 5/24 takes precedence)  [5]
 B41M 5/24
·  Ablative recording, e.g. by burning marks; Spark recording  [5]
 B41M 5/26
·  Thermography (B41M 5/20, B41M 5/24 take precedence; photothermographic systems G03C 1/498)  [5]
 B41M 5/28
·  ·  using thermo-chromic compounds or layers containing liquid crystals, microcapsules, bleachable dyes or heat decomposable compounds, e.g. gas liberating  [5]
 B41M 5/30
·  ·  using chemical colour formers (B41M 5/34 takes precedence)  [5]
 B41M 5/32
·  ·  ·  one component thereof being a heavy metal compound  [5]
 B41M 5/323
·  ·  ·  Organic colour formers, e.g. leuco dyes  [8]
 B41M 5/327
·  ·  ·  ·  with a lactone or lactam ring  [8]
 B41M 5/333
·  ·  ·  Colour developing components therefor, e.g. acidic compounds  [8]
 B41M 5/337
·  ·  ·  Additives; Binders  [8]
 B41M 5/34
·  ·  Multicolour thermography  [5]
 B41M 5/36
·  ·  using a polymeric layer, which may be particulate and which is deformed or structurally changed with modification of its properties, e.g. of its optical, hydrophobic-hydrophilic, solubility or permeability properties  [5]
 B41M 5/382
·  ·  Contact transfer or sublimation processes (sublistatic printing B41M 5/035; ink-, dye- or pigment-receptive coatings B41M 5/50)  [8]
 B41M 5/385
·  ·  ·  characterised by the transferable dyes or pigments  [8]
 B41M 5/388
·  ·  ·  ·  Azo dyes  [8]
 B41M 5/39
·  ·  ·  ·  Dyes containing one or more carbon-to-nitrogen double bonds, e.g. azomethine  [8]
 B41M 5/392
·  ·  ·  Additives other than colour forming substances, dyes or pigments, e.g. sensitisers, transfer promoting agents  [8]
 B41M 5/395
·  ·  ·  ·  Macromolecular additives, e.g. binders  [8]
 B41M 5/398
·  ·  Processes based on the production of stickiness patterns using powders  [8]
 B41M 5/40
·  ·  characterised by the base, intermediate or covering layers; Heat, radiation filtering or absorbing means or layers; combined with layers or compositions suitable for other methods of image registration; Special originals for reproduction by thermography  [5]
 B41M 5/41
·  ·  ·  Base layers  [8]
 B41M 5/42
·  ·  ·  Intermediate or covering layers  [8]
 B41M 5/44
·  ·  ·  ·  characterised by the macromolecular compounds  [8]
 B41M 5/46
·  ·  ·  characterised by the light-to-heat converting means; characterised by the heat or radiation filtering or absorbing means or layers  [8]
 B41M 5/48
·  ·  ·  combined with other image registration layers or compositions; Special originals for reproduction by thermography  [8]
 B41M 5/50
·  Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording (printing on pretreated paper B41M 1/36)  [8]
 B41M 5/52
·  ·  Macromolecular coatings  [8]
P:40 B41M 7/00
After-treatment of printed works, e.g. heating, irradiating
 B41M 7/02
·  Dusting; Varnishing (devices for treating the surfaces of sheets, webs, or other articles in connection with printing B41F 23/00, B41L 23/00)
P:10 B41M 9/00
Processes wherein make-ready devices are used (make-ready devices per se B41N 6/00)  [5]
 B41M 9/02
·  Relief make-readies
 B41M 9/04
·  ·  photomechanical
P:50 B41M 99/00
Subject matter not provided for in other groups of this subclass  [8]