DE837854C - Schreibmaschinenband fuer Verwendung zum Hervorbringen sichtbarer Aufzeichnungen - Google Patents
Schreibmaschinenband fuer Verwendung zum Hervorbringen sichtbarer AufzeichnungenInfo
- Publication number
- DE837854C DE837854C DEP52306A DEP0052306A DE837854C DE 837854 C DE837854 C DE 837854C DE P52306 A DEP52306 A DE P52306A DE P0052306 A DEP0052306 A DE P0052306A DE 837854 C DE837854 C DE 837854C
- Authority
- DE
- Germany
- Prior art keywords
- tape
- recording material
- dye
- color
- writing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000000463 material Substances 0.000 claims description 16
- 239000000126 substance Substances 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 8
- LIZLYZVAYZQVPG-UHFFFAOYSA-N (3-bromo-2-fluorophenyl)methanol Chemical compound OCC1=CC=CC(Br)=C1F LIZLYZVAYZQVPG-UHFFFAOYSA-N 0.000 claims description 3
- 239000000020 Nitrocellulose Substances 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims description 2
- 229920001220 nitrocellulos Polymers 0.000 claims description 2
- 239000004927 clay Substances 0.000 claims 2
- 239000005662 Paraffin oil Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 description 7
- JNRLEMMIVRBKJE-UHFFFAOYSA-N 4,4'-Methylenebis(N,N-dimethylaniline) Chemical compound C1=CC(N(C)C)=CC=C1CC1=CC=C(N(C)C)C=C1 JNRLEMMIVRBKJE-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 4
- YLZSIUVOIFJGQZ-UHFFFAOYSA-N bis[4-(dimethylamino)phenyl]methanol Chemical compound C1=CC(N(C)C)=CC=C1C(O)C1=CC=C(N(C)C)C=C1 YLZSIUVOIFJGQZ-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- DNEHKUCSURWDGO-UHFFFAOYSA-N aluminum sodium Chemical compound [Na].[Al] DNEHKUCSURWDGO-UHFFFAOYSA-N 0.000 description 2
- 229960000892 attapulgite Drugs 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229910052625 palygorskite Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- ABJAMKKUHBSXDS-UHFFFAOYSA-N 3,3-bis(6-amino-1,4-dimethylcyclohexa-2,4-dien-1-yl)-2-benzofuran-1-one Chemical compound C1=CC(C)=CC(N)C1(C)C1(C2(C)C(C=C(C)C=C2)N)C2=CC=CC=C2C(=O)O1 ABJAMKKUHBSXDS-UHFFFAOYSA-N 0.000 description 1
- IAEPGHALBLTVCE-UHFFFAOYSA-N 3,3-bis[4-(diethylamino)phenyl]-2-benzofuran-1-one Chemical compound C1=CC(N(CC)CC)=CC=C1C1(C=2C=CC(=CC=2)N(CC)CC)C2=CC=CC=C2C(=O)O1 IAEPGHALBLTVCE-UHFFFAOYSA-N 0.000 description 1
- AFZQOKZCIHXTDC-UHFFFAOYSA-N 3,3-bis[4-(dimethylamino)-3-methylphenyl]-2-benzofuran-1-one Chemical compound C1=C(C)C(N(C)C)=CC=C1C1(C=2C=C(C)C(N(C)C)=CC=2)C2=CC=CC=C2C(=O)O1 AFZQOKZCIHXTDC-UHFFFAOYSA-N 0.000 description 1
- RXWRBTHAEPBNLL-UHFFFAOYSA-N 3,3-bis[4-(dipropylamino)phenyl]-2-benzofuran-1-one Chemical compound C1=CC(N(CCC)CCC)=CC=C1C1(C=2C=CC(=CC=2)N(CCC)CCC)C2=CC=CC=C2C(=O)O1 RXWRBTHAEPBNLL-UHFFFAOYSA-N 0.000 description 1
- AWJARAMXGOPXFI-UHFFFAOYSA-N 3,3-bis[4-(ethylamino)phenyl]-2-benzofuran-1-one Chemical compound C1=CC(NCC)=CC=C1C1(C=2C=CC(NCC)=CC=2)C2=CC=CC=C2C(=O)O1 AWJARAMXGOPXFI-UHFFFAOYSA-N 0.000 description 1
- KNNGWESDZOFDIV-UHFFFAOYSA-N 3,3-bis[4-(methylamino)phenyl]-2-benzofuran-1-one Chemical compound C1=CC(NC)=CC=C1C1(C=2C=CC(NC)=CC=2)C2=CC=CC=C2C(=O)O1 KNNGWESDZOFDIV-UHFFFAOYSA-N 0.000 description 1
- CMNLKRWGXPTSOK-UHFFFAOYSA-N 4-[[4-(dimethylamino)phenyl]-methoxymethyl]-n,n-dimethylaniline Chemical compound C=1C=C(N(C)C)C=CC=1C(OC)C1=CC=C(N(C)C)C=C1 CMNLKRWGXPTSOK-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- IPAJDLMMTVZVPP-UHFFFAOYSA-N Crystal violet lactone Chemical group C1=CC(N(C)C)=CC=C1C1(C=2C=CC(=CC=2)N(C)C)C2=CC=C(N(C)C)C=C2C(=O)O1 IPAJDLMMTVZVPP-UHFFFAOYSA-N 0.000 description 1
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 1
- 239000005083 Zinc sulfide Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- HPTYUNKZVDYXLP-UHFFFAOYSA-N aluminum;trihydroxy(trihydroxysilyloxy)silane;hydrate Chemical compound O.[Al].[Al].O[Si](O)(O)O[Si](O)(O)O HPTYUNKZVDYXLP-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- FNAQSUUGMSOBHW-UHFFFAOYSA-H calcium citrate Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O FNAQSUUGMSOBHW-UHFFFAOYSA-H 0.000 description 1
- 239000001354 calcium citrate Substances 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229940126214 compound 3 Drugs 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- GXGAKHNRMVGRPK-UHFFFAOYSA-N dimagnesium;dioxido-bis[[oxido(oxo)silyl]oxy]silane Chemical compound [Mg+2].[Mg+2].[O-][Si](=O)O[Si]([O-])([O-])O[Si]([O-])=O GXGAKHNRMVGRPK-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052621 halloysite Inorganic materials 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229940023878 hydrogenated methyl abietate Drugs 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229940099273 magnesium trisilicate Drugs 0.000 description 1
- 229910000386 magnesium trisilicate Inorganic materials 0.000 description 1
- 235000019793 magnesium trisilicate Nutrition 0.000 description 1
- FDZZZRQASAIRJF-UHFFFAOYSA-M malachite green Chemical compound [Cl-].C1=CC(N(C)C)=CC=C1C(C=1C=CC=CC=1)=C1C=CC(=[N+](C)C)C=C1 FDZZZRQASAIRJF-UHFFFAOYSA-M 0.000 description 1
- 229940107698 malachite green Drugs 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- OVXRPXGVKBHGQO-UYWIDEMCSA-N methyl (1r,4ar,4br,10ar)-1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylate Chemical class C1CC(C(C)C)=CC2=CC[C@H]3[C@@](C(=O)OC)(C)CCC[C@]3(C)[C@H]21 OVXRPXGVKBHGQO-UYWIDEMCSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 229910052903 pyrophyllite Inorganic materials 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 235000013337 tricalcium citrate Nutrition 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J31/00—Ink ribbons; Renovating or testing ink ribbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/124—Duplicating or marking methods; Sheet materials for use therein 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/124—Duplicating or marking methods; Sheet materials for use therein 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
- B41M5/132—Chemical colour-forming components; Additives or binders therefor
- B41M5/136—Organic colour formers, e.g. leuco dyes
- B41M5/145—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/124—Duplicating or marking methods; Sheet materials for use therein 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
- B41M5/132—Chemical colour-forming components; Additives or binders therefor
- B41M5/136—Organic colour formers, e.g. leuco dyes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/124—Duplicating or marking methods; Sheet materials for use therein 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
- B41M5/132—Chemical colour-forming components; Additives or binders therefor
- B41M5/136—Organic colour formers, e.g. leuco dyes
- B41M5/1366—Organic colour formers, e.g. leuco dyes characterised solely by tri (aryl or hetaryl)methane derivatives
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Impression-Transfer Materials And Handling Thereof (AREA)
- Coloring (AREA)
- Color Printing (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US290006XA | 1948-09-02 | 1948-09-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE837854C true DE837854C (de) | 1952-05-02 |
Family
ID=21846684
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEP52306A Expired DE837854C (de) | 1948-09-02 | 1949-08-18 | Schreibmaschinenband fuer Verwendung zum Hervorbringen sichtbarer Aufzeichnungen |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE490884A (en(2012)) |
CH (1) | CH290006A (en(2012)) |
DE (1) | DE837854C (en(2012)) |
FR (1) | FR995158A (en(2012)) |
GB (1) | GB664456A (en(2012)) |
NL (2) | NL148387B (en(2012)) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1119302B (de) * | 1959-07-11 | 1961-12-14 | Gerhard Ritzerfeld | Verfahren zur Herstellung von Abdrucken von Druckformen mit einem Farbvorrat von Triphenylmethan-Farbstoffen |
DE1210902B (de) * | 1963-01-24 | 1966-02-17 | Schleipen & Erkens Ag | Papier zur Vervielfaeltigung |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2759586A (en) * | 1953-01-27 | 1956-08-21 | H M Storms Company | Typewriter ribbons |
US4662651A (en) * | 1985-05-31 | 1987-05-05 | The Standard Register Company | Document protection using multicolor characters |
DE3520190C1 (de) * | 1985-06-05 | 1986-10-30 | Pelikan Ag, 3000 Hannover | Gewebeschreibband |
-
0
- BE BE490884D patent/BE490884A/xx unknown
- NL NL71745D patent/NL71745C/xx active
- NL NL737307996A patent/NL148387B/xx unknown
-
1949
- 1949-07-01 GB GB17498/49A patent/GB664456A/en not_active Expired
- 1949-08-18 DE DEP52306A patent/DE837854C/de not_active Expired
- 1949-08-25 CH CH290006D patent/CH290006A/fr unknown
- 1949-08-29 FR FR995158D patent/FR995158A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1119302B (de) * | 1959-07-11 | 1961-12-14 | Gerhard Ritzerfeld | Verfahren zur Herstellung von Abdrucken von Druckformen mit einem Farbvorrat von Triphenylmethan-Farbstoffen |
DE1210902B (de) * | 1963-01-24 | 1966-02-17 | Schleipen & Erkens Ag | Papier zur Vervielfaeltigung |
Also Published As
Publication number | Publication date |
---|---|
FR995158A (fr) | 1951-11-28 |
BE490884A (en(2012)) | |
CH290006A (fr) | 1953-04-15 |
NL71745C (en(2012)) | |
GB664456A (en) | 1952-01-09 |
NL148387B (nl) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2155987C2 (de) | Basisch substituierte Fluorane und diese Verbindungen enthaltende druckempfindliche Aufzeichnungsmaterialien | |
DE855998C (de) | Verfahren zur Herstellung von druckempfindlichem Aufzeichnungsmaterial | |
DE2237288C3 (de) | Thermokopiermaterial | |
DE878806C (de) | Aufzeichnungsmaterial, das unter Farbstoffbildung zusammenwirkende Stoffe enthaelt | |
CH616885A5 (en(2012)) | ||
DE1961921A1 (de) | Druckempfindliches Kopierpapier | |
DE1275550B (de) | Druckempfindliches Aufzeichnungsmaterial | |
DE837854C (de) | Schreibmaschinenband fuer Verwendung zum Hervorbringen sichtbarer Aufzeichnungen | |
DE1421395A1 (de) | UEberzuege und Abdruckverfahren unter Verwendung von Phenolen und von gefaerbten Produkten derselben | |
DE855406C (de) | Verfahren zum Herstellen von Aufzeichnungen | |
DE853455C (de) | Mehrfarbendruckverfahren | |
DE1561748C3 (de) | Aufzeichnungsmaterial | |
DE3507173A1 (de) | Farbbildnergemische und diese gemische enthaltendes druckempfindliches aufzeichnungsmaterial | |
DE2414201A1 (de) | Aufzeichnungsmaterial und dessen verwendung fuer die aufzeichnung von bildern | |
DE2753816B2 (de) | Lösungsmittelgemisch und dessen Verwendung in Kopierpapieren | |
DE932429C (de) | Verfahren zum Korrigieren farbiger Markierungen, die durch Adsorptionsberuehrung einer adsorbierbaren Substanz mit von einer adsorbierenden Substanz sensibilisiertem Aufzeichnungs-material hergestellt wurden | |
DE830660C (de) | Verfahren zur Herstellung sichtbarer Aufzeichnungen | |
DE2726782C3 (de) | Chromogen-Lösungsmittelgemisch für druckempfindliche, Markierungen aufzeichnende Systeme | |
EP0285832B1 (de) | Durchschreibeformularsatz | |
DE838448C (de) | Druckverfahren | |
DE2049279C3 (de) | Druckempfindliches Kopierpapier | |
DE934475C (de) | Verfahren zum Erzeugen von Markierungen unterschiedlicher Farbtoenung auf Papier u. dgl. | |
DE2233183C3 (de) | Druckempfindliches Kopiermaterial | |
EP0665788A1 (de) | Mikrokapseln enthaltende druckfarben für den buch- oder offsetdruck | |
DE837853C (de) | Druckempfindliches Aufzeichnungsmaterial |