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CPC
COOPERATIVE PATENT CLASSIFICATION
D06L
DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS [2017-01]
NOTES

  • In this subclass, the term "bleaching" also covers "optical bleaching".
  • This subclass does not cover treatment of textiles by purely mechanical means, which is covered by subclasses D06B, D06C or D06F.
D06L 1/00
Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods [2017-01]
D06L 1/01
.
using only solid or pasty agents [2017-01]
D06L 1/02
.
using organic solvents [2013-01]
D06L 1/04
. .
combined with specific additives (D06L 1/06 takes precedence) [2017-01]
D06L 1/06
. .
De-sizing [2013-01]
D06L 1/08
. .
Multi-step processes [2013-01]
D06L 1/10
. .
Regeneration of used chemical baths [2013-01]
D06L 1/12
.
using aqueous solvents [2017-01]
D06L 1/14
. .
De-sizing [2013-01]
D06L 1/16
. .
Multi-step processes [2013-01]
D06L 1/18
. .
Working under pressure in closed vessels [2013-01]
D06L 1/20
. .
combined with mechanical means [2013-01]
D06L 1/22
.
Processes involving successive treatments with aqueous and organic agents [2017-01]
D06L 4/00
Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs [2017-01]
D06L 4/10
.
using agents which develop oxygen (D06L 4/20 takes precedence) [2017-01]
D06L 4/12
. .
combined with specific additives [2017-01]
D06L 4/13
. .
using inorganic agents [2017-01]
D06L 4/15
. .
using organic agents [2017-01]
D06L 4/17
. .
in an inert solvent [2017-01]
D06L 4/18
. .
in a gaseous environment [2017-01]
D06L 4/20
.
using agents which contain halogen [2020-05]
D06L 4/21
. .
combined with specific additives (D06L 4/24 takes precedence) [2020-05]
D06L 4/22
. .
using inorganic agents [2020-05]
D06L 4/23
. . .
using hypohalogenites [2017-01]
D06L 4/24
. . .
using chlorites or chlorine dioxide [2020-05]
D06L 4/26
. . . .
combined with specific additives [2017-01]
D06L 4/27
. .
using organic agents [2017-01]
D06L 4/28
. .
in an inert solvent (D06L 4/24 takes precedence) [2020-05]
D06L 4/29
. .
in a gaseous environment (D06L 4/24 takes precedence) [2017-01]
D06L 4/30
.
using reducing agents [2017-01]
D06L 4/40
.
using enzymes [2017-01]
D06L 4/50
.
by irradiation or ozonisation [2017-01]
D06L 4/60
.
Optical bleaching or brightening [2017-01]
D06L 4/607
. .
in organic solvents [2017-01]
D06L 4/614
. .
in aqueous solvents [2017-01]
D06L 4/621
. . .
with anionic brighteners [2017-01]
D06L 4/629
. . .
with cationic brighteners [2017-01]
D06L 4/636
. . .
with disperse brighteners [2017-01]
D06L 4/643
. .
wherein the brightener is introduced in a gaseous environment or in solid phase, e.g. by transfer, by use of powders or by use of super-critical fluids [2017-01]
D06L 4/65
. .
with mixtures of optical brighteners [2017-01]
D06L 4/657
. .
combined with other treatments, e.g. finishing, bleaching, softening, dyeing or pigment printing [2017-01]
D06L 4/664
. .
Preparations of optical brighteners; Optical brighteners in aerosol form; Physical treatment of optical brighteners [2017-01]
D06L 4/671
. .
Optical brightening assistants, e.g. enhancers or boosters [2017-01]
D06L 4/679
. .
Fixing treatments in optical brightening, e.g. heating, steaming or acid shock [2017-01]
D06L 4/686
. .
Fugitive optical brightening; Discharge of optical brighteners in discharge paste; Blueing; Differential optical brightening [2017-01]
D06L 4/693
. . .
Blueing with mixtures of dyes; Blueing with mixtures of dyes and optical brighteners [2017-01]
D06L 4/70
.
Multi-step processes [2017-01]
D06L 4/75
. .
combined with cleaning or washing [2017-01]