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CPC
COOPERATIVE PATENT CLASSIFICATION
B41C
PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES (photomechanical processes for producing printing surfaces G03F; photoelectrical processes for producing printing surfaces G03G) [2018-08]
WARNING

  • In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.
B41C 1/00
Forme preparation [2013-01]
B41C 1/003
.
{the relief or intaglio pattern being obtained by imagewise deposition of a liquid, e.g. by an ink jet} [2013-01]
B41C 1/006
.
{the relief or intaglio pattern being obtained by abrasive means, e.g. by sandblasting} [2013-01]
B41C 1/02
.
Engraving; Heads therefor (recording on record carriers, heads therefor G11B) [2013-01]
B41C 1/025
. .
{characterised by means for the liquid etching of substrates for the manufacturing of relief or intaglio printing forms, already provided with resist pattern} [2013-01]
NOTE

  • Attention is drawn to the title of class B41 and to subclass H04N, in particular to the Notes following the title of that subclass and to the group H04N 1/00
B41C 1/04
. .
using heads controlled by an electric information signal [2013-01]
B41C 1/045
. . .
Mechanical engraving heads [2013-01]
B41C 1/05
. . .
Heat-generating engraving heads, e.g. laser beam, electron beam [2013-01]
NOTE

  • The fabrication of lithographic forms, screen printing forms or stencils with a laser beam or another high energetic radiation beam is not considered as involving an engraving. The preparation of such forms is covered by B41C 1/10 and B41C 1/14
B41C 1/055
.
Thermographic processes for producing printing formes {, e.g. with a thermal print head}(B41C 1/02 takes precedence; {fabrication of relief or intaglio plates by ablative recording with a laser beam B41C 1/05; production of lithographic forms B41C 1/10; producing of screen printing forms or stencils B41C 1/14}) [2016-08]
B41C 1/06
.
Transferring (B41C 1/10, B41C 1/18 take precedence) [2013-01]
B41C 1/08
.
by embossing, e.g. with a typewriter (typewriters adapted therefor B41J 3/38) [2013-01]
B41C 1/10
.
for lithographic printing; Master sheets for transferring a lithographic image to the forme {(chemical or electrical pretreatment B41N 3/03)}(neutralising or similar differentiation treatments of lithographic printing formes B41N 3/08) [2013-01]
B41C 1/1008
. .
{by removal or destruction of lithographic material on the lithographic support, e.g. by laser or spark ablation; by the use of materials rendered soluble or insoluble by heat exposure, e.g. by heat produced from a light to heat transforming system; by on-the-press exposure or on-the-press development, e.g. by the fountain of photolithographic materials} [2020-01]
B41C 1/1016
. . .
{characterised by structural details, e.g. protective layers, backcoat layers or several imaging layers} [2020-01]
B41C 1/1025
. . .
{using materials comprising a polymeric matrix containing a polymeric particulate material, e.g. hydrophobic heat coalescing particles} [2013-01]
B41C 1/1033
. . .
{by laser or spark ablation} [2013-01]
B41C 1/1041
. .
{by modification of the lithographic properties without removal or addition of material, e.g. by the mere generation of a lithographic pattern} [2013-01]
B41C 1/105
. .
{by electrocoagulation, by electro-adhesion or by electro-releasing of material, e.g. a liquid from a gel} [2013-01]
B41C 1/1058
. .
{by providing a magnetic pattern, a ferroelectric pattern or a semiconductive pattern, e.g. by electrophotography} [2013-01]
B41C 1/1066
. .
{by spraying with powders, by using a nozzle, e.g. an ink jet system, by fusing a previously coated powder, e.g. with a laser} [2013-01]
B41C 1/1075
. .
{Mechanical aspects of on-press plate preparation (B41C 1/1008 - B41C 1/1066 take precedence)} [2016-05]
B41C 1/1083
. .
{Mechanical aspects of off-press plate preparation (B41C 1/1008 - B41C 1/1066 take precedence)} [2016-05]
B41C 1/1091
. .
{by physical transfer from a donor sheet having an uniform coating of lithographic material using thermal means as provided by a thermal head or a laser; by mechanical pressure, e.g. from a typewriter by electrical recording ribbon therefor} [2013-01]
B41C 1/12
.
Multicolour formes [2013-01]
B41C 1/14
.
for stencil-printing or silk-screen printing [2013-01]
B41C 1/141
. .
{by cutting or perforation with mechanical means; Electrical spark cutting} [2013-01]
B41C 1/142
. .
{using a galvanic or electroless metal deposition processing step} [2013-01]
B41C 1/144
. .
{by perforation using a thermal head} [2013-01]
B41C 1/145
. .
{by perforation using an energetic radiation beam, e.g. a laser} [2013-01]
B41C 1/147
. .
{by imagewise deposition of a liquid, e.g. from an ink jet; Chemical perforation by the hardening or solubilizing of the ink impervious coating or sheet} [2013-01]
B41C 1/148
. .
{by a traditional thermographic exposure using the heat- or light- absorbing properties of the pattern on the original, e.g. by using a flash} [2013-01]
B41C 1/16
.
Formes with areas rendered ink-resistant by covering with an amalgam; Printing plates for amalgam printing [2013-01]
B41C 1/18
.
Curved printing formes or printing cylinders {(B41C 1/10, B41C 1/14 take precedence)} [2013-01]
B41C 1/182
. .
{Sleeves; Endless belts} [2013-01]
B41C 1/184
. .
{by transfer of the design to the cylinder, e.g. from a lithographic printing plate; by drawing the pattern on the cylinder; by direct cutting of the pattern on the cylinder} [2013-01]
B41C 1/186
. .
{by casting} [2013-01]
B41C 1/188
. .
{characterised by means for liquid etching of cylinders already provided with resist pattern} [2013-01]
B41C 3/00
Reproduction or duplicating of printing formes [2013-01]
B41C 3/02
.
Stereotyping (casting stereotype plates B41D 3/00) [2013-01]
B41C 3/04
.
to produce rubber printing blocks [2013-01]
B41C 3/06
.
to produce printing blocks from plastics [2013-01]
B41C 3/08
.
Electrotyping; Application of backing layers thereon [2013-01]
B41C 2201/00
Location, type or constituents of the non-imaging layers in lithographic printing formes [2013-01]
B41C 2201/02
.
Cover layers; Protective layers [2013-01]
B41C 2201/04
.
Intermediate layers [2013-01]
B41C 2201/06
.
Backcoats; Back layers [2013-01]
B41C 2201/10
.
characterised by inorganic compounds, e.g. pigments [2013-01]
B41C 2201/12
.
characterised by non-macromolecular organic compounds [2013-01]
B41C 2201/14
.
characterised by macromolecular organic compounds, e.g. binder, adhesives [2013-01]
B41C 2210/00
Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation [2013-01]
B41C 2210/02
.
Positive working, i.e. the exposed (imaged) areas are removed [2013-01]
B41C 2210/04
.
Negative working, i.e. the non-exposed (non-imaged) areas are removed [2013-01]
B41C 2210/06
.
Developable by an alkaline solution [2013-01]
B41C 2210/08
.
Developable by water or the fountain solution [2013-01]
B41C 2210/10
.
Developable by an acidic solution [2013-01]
B41C 2210/12
.
Developable by an organic solution [2013-01]
B41C 2210/14
.
Multiple imaging layers [2013-01]
B41C 2210/16
.
Waterless working, i.e. ink repelling exposed (imaged) or non-exposed (non-imaged) areas, not requiring fountain solution or water, e.g. dry lithography or driography [2020-01]
B41C 2210/20
.
characterised by inorganic additives, e.g. pigments, salts [2013-01]
B41C 2210/22
.
characterised by organic non-macromolecular additives, e.g. dyes, UV-absorbers, plasticisers [2013-01]
B41C 2210/24
.
characterised by a macromolecular compound or binder obtained by reactions involving carbon-to-carbon unsaturated bonds, e.g. acrylics, vinyl polymers [2013-01]
B41C 2210/26
.
characterised by a macromolecular compound or binder obtained by reactions not involving carbon-to-carbon unsaturated bonds [2013-01]
B41C 2210/262
. .
Phenolic condensation polymers, e.g. novolacs, resols [2013-01]
B41C 2210/264
. .
Polyesters; Polycarbonates [2013-01]
B41C 2210/266
. .
Polyurethanes; Polyureas [2013-01]