|  | B |
SECTION B — PERFORMING OPERATIONS; TRANSPORTING

|  | B01 - B07 |
Subsection index
LIQUID/LIQUID, LIQUID/GAS OR GAS/GAS SEPARATION |
Method |
General operations | B01D
by centrifugal force, using centrifuges or free-vortex apparatus | B01D
using magnetic or electrostatic effect | B03C
Apparatus |
General operations | B01D
by centrifugal force, using centrifuges or free-vortex apparatus | B04B, B04C
using magnetic or electrostatic effect | B03C
SOLID/LIQUID OR SOLID/GAS SEPARATION |
Method |
General operations | B01D
by centrifugal force | B01D
using centrifuges or free-vortex apparatus | B01D
using magnetic or electrostatic effect | B03C
Apparatus |
General operations | B01D
by centrifugal force | B01D
using centrifuges or free-vortex apparatus | B04B, B04C
using magnetic or electrostatic effect | B03C
SOLID/SOLID SEPARATION |
Method |
Dry methods |
material in bulk | B07B
Individual sorting | B07C
Screening, sifting, pneumatic sorting | B07B
using pneumatic tables or jigs | B03B
by magnetic or electrostatic effect | B03C
by centrifugal force | B07B
using centrifuges or free-vortex apparatus | B07B
Wet methods |
General operations | B03B
flotation, differential sedimentation | B03D
screening | B07B
Combinations Dry methods - wet methods | B03B
Apparatus |
Dry methods |
material in bulk | B07B
Individual sorting | B07C
Screening, sifting, pneumatic sorting | B07B
using pneumatic tables or jigs | B03B
by magnetic or electrostatic effect | B03C
by centrifugal force | B07B
using centrifuges or free-vortex apparatus | B04B, B04C
Wet methods |
General operations | B03B
flotation, differential sedimentation | B03D
screening | B07B
Combinations Dry methods - wet methods | B03B

PRINTING

|  | B44 |
DECORATIVE ARTS

|  | B44 |
Note(s) Any machine, apparatus, tool or process is classified in this class in so far as it produces an effect or mark meant to be judged by the eye and in so far as such machine, apparatus, tool or process is not provided for elsewhere. [4]

|  | B44F |
SPECIAL DESIGNS OR PICTURES

P:0 |  | B44F 1/00 |
Designs or pictures characterised by special or unusual light effects

|  | B44F 1/02 |
· | produced by reflected light, e.g. matt surfaces, lustrous surfaces

|  | B44F 1/04 |
· · | after passage through surface layers, e.g. pictures with mirrors on the back

|  | B44F 1/06 |
· | produced by transmitted light, e.g. transparencies, imitations of glass-paintings

|  | B44F 1/08 |
· | characterised by colour effects

|  | B44F 1/10 |
· · | Changing, amusing, or secret pictures

|  | B44F 1/12 |
· · | Securities or banknotes as far as the design or protection against forgery is of importance

|  | B44F 1/14 |
· · | Iridescent effects

P:50 |  | B44F 3/00 |
Designs characterised by outlines

P:40 |  | B44F 5/00 |
Designs characterised by irregular areas, e.g. mottled patterns (imitating natural patterns or artistic work Fulltext... Hierarchy... Expanded...B44F 9/00, Fulltext... Hierarchy... Expanded...B44F 11/00)

P:10 |  | B44F 7/00 |
Designs imitating three-dimensional effects

P:30 |  | B44F 9/00 |
Designs imitating natural patterns

|  | B44F 9/02 |
· | wood grain effects

|  | B44F 9/04 |
· | of stone surfaces, e.g. marble

|  | B44F 9/06 |
· | of horn, ivory, or meerschaum surfaces

|  | B44F 9/08 |
· | of crystalline structures, pearl effects, or mother-of-pearl effects

|  | B44F 9/10 |
· | of metallic or oxidised metallic surfaces

|  | B44F 9/12 |
· | of leather

P:20 |  | B44F 11/00 |
Designs imitating artistic work

|  | B44F 11/02 |
· | Imitation of pictures, e.g. oil paintings

|  | B44F 11/04 |
· | Imitation of mosaic or tarsia-work patterns

|  | B44F 11/06 |
· | Imitation of ceramic patterns