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 1/10
·  Intaglio printing
 B41M 1/12
·  Stencil printing; Silk-screen printing
 B41M 1/14
·  Multicolour printing
 B41M 1/26
·  Printing on other surfaces than ordinary paper (B41M 1/40 takes precedence)
 B41M 1/40
·  Printing on bodies of particular shapes
P:0 B41M 3/00
Printing processes to produce particular kinds of printed work, e.g. patterns (typewriters or selective printing mechanisms for Braille printing B41J 3/00; special designs or pictures per se B44F; manufacturing printed circuits using printing techniques H05K 3/12)  [5]
 B41M 3/12
·  Transfer pictures or the like, e.g. decalcomanias
 B41M 3/14
·  Security printing
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 5/035
·  ·  by sublimation or volatilisation of design  [4]
 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 5/132
·  ·  Chemical colour-forming components; Additives or binders therefor  [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 5/34
·  ·  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 5/40
·  ·  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 5/50
·  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 1/26)  [8]
P:40 B41M 7/00
After-treatment of printed works, e.g. heating, irradiating
P:10 B41M 9/00
Processes wherein make-ready devices are used (make-ready devices per se B41N 6/00)  [5]
P:50 B41M 99/00
Subject matter not provided for in other groups of this subclass  [8]