DE2239177C2 - Unsichtbare bzw. latente, für das lithographische Offsetdruckverfahren geeignete Druckfarbe, ein Verfahren zu ihrer Herstellung und ihre Verwendung - Google Patents
Unsichtbare bzw. latente, für das lithographische Offsetdruckverfahren geeignete Druckfarbe, ein Verfahren zu ihrer Herstellung und ihre VerwendungInfo
- Publication number
- DE2239177C2 DE2239177C2 DE2239177A DE2239177A DE2239177C2 DE 2239177 C2 DE2239177 C2 DE 2239177C2 DE 2239177 A DE2239177 A DE 2239177A DE 2239177 A DE2239177 A DE 2239177A DE 2239177 C2 DE2239177 C2 DE 2239177C2
- Authority
- DE
- Germany
- Prior art keywords
- color
- printing
- latent
- invisible
- paper
- 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
- 238000007639 printing Methods 0.000 title claims description 53
- 238000000034 method Methods 0.000 title claims description 20
- 230000008569 process Effects 0.000 title claims description 14
- 238000007645 offset printing Methods 0.000 title claims description 12
- 239000000976 ink Substances 0.000 title description 51
- 238000004519 manufacturing process Methods 0.000 title description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 18
- 150000001875 compounds Chemical class 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 239000000123 paper Substances 0.000 description 32
- 239000000376 reactant Substances 0.000 description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 17
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 16
- 239000003921 oil Substances 0.000 description 13
- 239000003973 paint Substances 0.000 description 11
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 description 10
- -1 gallic acid ester Chemical class 0.000 description 10
- 239000000203 mixture Substances 0.000 description 10
- 229920000180 alkyd Polymers 0.000 description 9
- 238000009835 boiling Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 229920002635 polyurethane Polymers 0.000 description 9
- 239000004814 polyurethane Substances 0.000 description 9
- 125000004432 carbon atom Chemical group C* 0.000 description 8
- 239000000377 silicon dioxide Substances 0.000 description 8
- 239000002274 desiccant Substances 0.000 description 7
- 150000002148 esters Chemical class 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000000049 pigment Substances 0.000 description 7
- 238000001035 drying Methods 0.000 description 6
- 238000009472 formulation Methods 0.000 description 6
- 239000006224 matting agent Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000004215 Carbon black (E152) Substances 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 150000002430 hydrocarbons Chemical class 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 4
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 4
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 4
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 4
- 239000005642 Oleic acid Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 4
- 229960004106 citric acid Drugs 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 229940074391 gallic acid Drugs 0.000 description 4
- 235000004515 gallic acid Nutrition 0.000 description 4
- 230000002209 hydrophobic effect Effects 0.000 description 4
- 150000002505 iron Chemical class 0.000 description 4
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 4
- 230000005012 migration Effects 0.000 description 4
- 238000013508 migration Methods 0.000 description 4
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 4
- RPWFJAMTCNSJKK-UHFFFAOYSA-N Dodecyl gallate Chemical group CCCCCCCCCCCCOC(=O)C1=CC(O)=C(O)C(O)=C1 RPWFJAMTCNSJKK-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000969 carrier Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000004922 lacquer Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000003209 petroleum derivative Substances 0.000 description 3
- 238000005191 phase separation Methods 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 230000002028 premature Effects 0.000 description 3
- 239000004606 Fillers/Extenders Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 235000010386 dodecyl gallate Nutrition 0.000 description 2
- 238000004945 emulsification Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009969 flowable effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 159000000014 iron salts Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 150000002696 manganese Chemical class 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229940079877 pyrogallol Drugs 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004383 yellowing Methods 0.000 description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
- 150000005206 1,2-dihydroxybenzenes Chemical class 0.000 description 1
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical class [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 229960004543 anhydrous citric acid Drugs 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- ADRVNXBAWSRFAJ-UHFFFAOYSA-N catechin Natural products OC1Cc2cc(O)cc(O)c2OC1c3ccc(O)c(O)c3 ADRVNXBAWSRFAJ-UHFFFAOYSA-N 0.000 description 1
- 235000005487 catechin Nutrition 0.000 description 1
- 230000002925 chemical effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 125000003074 decanoyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C(*)=O 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- ITAUHKJMPRCVIH-UHFFFAOYSA-K iron(3+);tribenzoate Chemical compound [Fe+3].[O-]C(=O)C1=CC=CC=C1.[O-]C(=O)C1=CC=CC=C1.[O-]C(=O)C1=CC=CC=C1 ITAUHKJMPRCVIH-UHFFFAOYSA-K 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 125000000400 lauroyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 150000002697 manganese compounds Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000001419 myristoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 238000001579 optical reflectometry Methods 0.000 description 1
- 239000006259 organic additive Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000011088 parchment paper Substances 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/50—Sympathetic, colour changing or similar inks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/001—Printing processes to produce particular kinds of printed work, e.g. patterns using chemical colour-formers or chemical reactions, e.g. leuco dyes or acids
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S283/00—Printed matter
- Y10S283/901—Concealed data
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Color Printing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00169524A US3850649A (en) | 1971-08-05 | 1971-08-05 | Latent image printing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2239177A1 DE2239177A1 (de) | 1973-02-15 |
| DE2239177C2 true DE2239177C2 (de) | 1982-10-14 |
Family
ID=22616061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2239177A Expired DE2239177C2 (de) | 1971-08-05 | 1972-08-04 | Unsichtbare bzw. latente, für das lithographische Offsetdruckverfahren geeignete Druckfarbe, ein Verfahren zu ihrer Herstellung und ihre Verwendung |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3850649A (enExample) |
| JP (1) | JPS5545589B1 (enExample) |
| CA (1) | CA974004A (enExample) |
| DE (1) | DE2239177C2 (enExample) |
| FR (1) | FR2148274B1 (enExample) |
| GB (1) | GB1398334A (enExample) |
| IT (1) | IT961879B (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4043820A (en) * | 1975-06-10 | 1977-08-23 | Ozalid Group Holdings, Limited | Ink containing iron chelate and polyhydroxy compound |
| US4111462A (en) * | 1975-07-15 | 1978-09-05 | Minnesota Mining And Manufacturing Company | Latent, sensitizing ink |
| US4079026A (en) * | 1977-06-20 | 1978-03-14 | Hercules Incorporated | Printing inks and process for using the same |
| JPS6054197B2 (ja) * | 1978-01-05 | 1985-11-29 | 富士写真フイルム株式会社 | 顕色インキ |
| US4525214A (en) * | 1983-03-11 | 1985-06-25 | The Mazer Corporation | Crayon adapted for development of latent images |
| US4505944A (en) * | 1983-08-01 | 1985-03-19 | Cotton Incorporated | Fugitive ink composition |
| US4852912A (en) * | 1986-08-05 | 1989-08-01 | Peter Engel | Advertising device |
| JPH0323984A (ja) * | 1989-06-20 | 1991-01-31 | Seiji Kawashima | 印刷物 |
| CA2056283A1 (en) * | 1991-11-27 | 1992-05-26 | Jacqueline M. Saville | Latent image ink |
| US5330231A (en) * | 1993-07-12 | 1994-07-19 | Godfrey Phyllis M | Greeting card with personal identifier and method of producing |
| US6312121B1 (en) | 1998-09-11 | 2001-11-06 | Xerox Corporation | Ink jet printing process |
| US20050275214A1 (en) * | 2004-06-14 | 2005-12-15 | Joshua Pokempner | Printed materials with color-change inks to create unique designs |
| US20110120333A1 (en) * | 2009-11-23 | 2011-05-26 | Michael Karp | Direct inkjet imaging lithographic plates and methods for imaging the plates |
| US9421751B2 (en) | 2009-11-23 | 2016-08-23 | Vim-Technologies Ltd | Direct inkjet imaging lithographic plates, methods for imaging and pre-press treatment |
| US20120274914A1 (en) * | 2011-04-27 | 2012-11-01 | Palo Alto Research Center Incorporated | Variable Data Lithography System for Applying Multi-Component Images and Systems Therefor |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3108896A (en) * | 1959-10-26 | 1963-10-29 | Minnesota Mining & Mfg | Heat-sensitive copying-paper |
| DE1622462A1 (enExample) * | 1960-10-11 | |||
| US3147134A (en) * | 1961-10-12 | 1964-09-01 | Minnesota Mining & Mfg | Heat-sensitive copy sheet |
| NL286305A (enExample) * | 1961-12-16 | |||
| NL287454A (enExample) * | 1962-01-18 | |||
| US3363337A (en) * | 1965-12-10 | 1968-01-16 | Meredith Publishing Company | Method and devices for teaching writing skills |
| US3451143A (en) * | 1966-08-24 | 1969-06-24 | Dick Co Ab | Spirit duplication with visible and concealed images |
| US3438927A (en) * | 1967-04-28 | 1969-04-15 | Meredith Publishing Co | Invisible ink |
| US3516177A (en) * | 1968-02-14 | 1970-06-23 | Meredith Corp | Teaching device with invisible answer indicator |
| DE1946404A1 (de) * | 1969-01-17 | 1970-09-03 | Meredith Corp | Mittel zum Entwickeln von unsichtbaren Bildern und Zeichen auf mit unsichtbarer Druckfarbe bedruckten Erzeugnissen |
| DE1946374A1 (de) * | 1969-04-14 | 1970-11-26 | Meredith Corp | Entwicklermasse zur Entwicklung von unsichtbaren Druckerzeugnissen |
| US3666502A (en) * | 1970-04-27 | 1972-05-30 | Gustaf L Erikson | Lithographic inks and solutions for treating lithographic plates |
-
1971
- 1971-08-05 US US00169524A patent/US3850649A/en not_active Expired - Lifetime
-
1972
- 1972-08-01 CA CA148,471A patent/CA974004A/en not_active Expired
- 1972-08-04 DE DE2239177A patent/DE2239177C2/de not_active Expired
- 1972-08-04 GB GB3659972A patent/GB1398334A/en not_active Expired
- 1972-08-04 JP JP7825872A patent/JPS5545589B1/ja active Pending
- 1972-08-04 IT IT52001/72A patent/IT961879B/it active
- 1972-08-04 FR FR7228233A patent/FR2148274B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT961879B (it) | 1973-12-10 |
| JPS5545589B1 (enExample) | 1980-11-18 |
| GB1398334A (en) | 1975-06-18 |
| FR2148274A1 (enExample) | 1973-03-11 |
| US3850649A (en) | 1974-11-26 |
| DE2239177A1 (de) | 1973-02-15 |
| CA974004A (en) | 1975-09-09 |
| FR2148274B1 (enExample) | 1977-07-29 |
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| DE3812001C2 (enExample) |
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