GB1272809A - Improvements in or relating to concealed printing - Google Patents
Improvements in or relating to concealed printingInfo
- Publication number
- GB1272809A GB1272809A GB42503/69A GB4250369A GB1272809A GB 1272809 A GB1272809 A GB 1272809A GB 42503/69 A GB42503/69 A GB 42503/69A GB 4250369 A GB4250369 A GB 4250369A GB 1272809 A GB1272809 A GB 1272809A
- Authority
- GB
- United Kingdom
- Prior art keywords
- oxidizing agent
- sheet
- iodide
- printed
- coloured
- 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 abstract 2
- 239000007800 oxidant agent Substances 0.000 abstract 6
- 239000000463 material Substances 0.000 abstract 5
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract 3
- 229920002472 Starch Polymers 0.000 abstract 3
- 150000001879 copper Chemical class 0.000 abstract 3
- 229910052736 halogen Inorganic materials 0.000 abstract 3
- 150000002367 halogens Chemical class 0.000 abstract 3
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 abstract 3
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 abstract 3
- 239000008107 starch Substances 0.000 abstract 3
- 235000019698 starch Nutrition 0.000 abstract 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 2
- JRNVZBWKYDBUCA-UHFFFAOYSA-N N-chlorosuccinimide Chemical compound ClN1C(=O)CCC1=O JRNVZBWKYDBUCA-UHFFFAOYSA-N 0.000 abstract 2
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 abstract 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 abstract 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 abstract 2
- 239000010949 copper Substances 0.000 abstract 2
- 229910052802 copper Inorganic materials 0.000 abstract 2
- -1 ethyl hydantoin Chemical compound 0.000 abstract 2
- 239000012530 fluid Substances 0.000 abstract 2
- 229940091173 hydantoin Drugs 0.000 abstract 2
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 abstract 2
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Chemical compound [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 abstract 2
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 abstract 1
- ZJEQUGWMBSKCCM-UHFFFAOYSA-N 1-bromopiperidine-2,6-dione Chemical compound BrN1C(=O)CCCC1=O ZJEQUGWMBSKCCM-UHFFFAOYSA-N 0.000 abstract 1
- XZXYQEHISUMZAT-UHFFFAOYSA-N 2-[(2-hydroxy-5-methylphenyl)methyl]-4-methylphenol Chemical compound CC1=CC=C(O)C(CC=2C(=CC=C(C)C=2)O)=C1 XZXYQEHISUMZAT-UHFFFAOYSA-N 0.000 abstract 1
- WDRFYIPWHMGQPN-UHFFFAOYSA-N 2-chloroisoindole-1,3-dione Chemical compound C1=CC=C2C(=O)N(Cl)C(=O)C2=C1 WDRFYIPWHMGQPN-UHFFFAOYSA-N 0.000 abstract 1
- KEPNSIARSTUPGS-UHFFFAOYSA-N 2-n,4-n,6-n-trichloro-1,3,5-triazine-2,4,6-triamine Chemical compound ClNC1=NC(NCl)=NC(NCl)=N1 KEPNSIARSTUPGS-UHFFFAOYSA-N 0.000 abstract 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 abstract 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 abstract 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical compound CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 abstract 1
- 229920000877 Melamine resin Polymers 0.000 abstract 1
- 229910002651 NO3 Inorganic materials 0.000 abstract 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 1
- SLINHMUFWFWBMU-UHFFFAOYSA-N Triisopropanolamine Chemical compound CC(O)CN(CC(C)O)CC(C)O SLINHMUFWFWBMU-UHFFFAOYSA-N 0.000 abstract 1
- 150000001412 amines Chemical class 0.000 abstract 1
- 235000019270 ammonium chloride Nutrition 0.000 abstract 1
- 229940107816 ammonium iodide Drugs 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- WRUAHXANJKHFIL-UHFFFAOYSA-N benzene-1,3-disulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC(S(O)(=O)=O)=C1 WRUAHXANJKHFIL-UHFFFAOYSA-N 0.000 abstract 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000000975 dye Substances 0.000 abstract 1
- 238000007646 gravure printing Methods 0.000 abstract 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 abstract 1
- 229910052740 iodine Inorganic materials 0.000 abstract 1
- 239000011630 iodine Substances 0.000 abstract 1
- 238000007644 letterpress printing Methods 0.000 abstract 1
- 238000001459 lithography Methods 0.000 abstract 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000001103 potassium chloride Substances 0.000 abstract 1
- 235000011164 potassium chloride Nutrition 0.000 abstract 1
- 238000007650 screen-printing Methods 0.000 abstract 1
- 235000009518 sodium iodide Nutrition 0.000 abstract 1
- 229910021653 sulphate ion Inorganic materials 0.000 abstract 1
Classifications
-
- 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
- B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
- B41M5/0253—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet using a chemical colour-forming ink, e.g. chemical hectography
-
- 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
-
- 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
- B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
- B41M5/04—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet using solvent-soluble dyestuffs on the master sheets, e.g. alcohol-soluble
-
- 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
- Y10S101/00—Printing
- Y10S101/29—Printing involving a color-forming phenomenon
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Printing Methods (AREA)
- Color Printing (AREA)
- Duplication Or Marking (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75706768A | 1968-09-03 | 1968-09-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1272809A true GB1272809A (en) | 1972-05-03 |
Family
ID=25046224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB42503/69A Expired GB1272809A (en) | 1968-09-03 | 1969-08-26 | Improvements in or relating to concealed printing |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3632364A (https=) |
| JP (1) | JPS552354B1 (https=) |
| BE (1) | BE738380A (https=) |
| BR (1) | BR6911892D0 (https=) |
| CA (1) | CA930161A (https=) |
| CH (1) | CH557153A (https=) |
| DE (1) | DE1944739A1 (https=) |
| ES (1) | ES371043A1 (https=) |
| FR (1) | FR2017289A1 (https=) |
| GB (1) | GB1272809A (https=) |
| NL (1) | NL6913361A (https=) |
| NO (1) | NO136345C (https=) |
| SE (1) | SE364473B (https=) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3912520A (en) * | 1967-12-29 | 1975-10-14 | Pilot Pen Company Ltd | Writing ink for writing boards |
| US3920863A (en) * | 1969-05-06 | 1975-11-18 | Minnesota Mining & Mfg | Method of providing and developing hidden entries |
| US3784394A (en) * | 1971-05-06 | 1974-01-08 | Minnesota Mining & Mfg | Latent image composite master and method |
| US4205865A (en) * | 1975-07-15 | 1980-06-03 | Minnesota Mining And Manufacturing Company | Latent sensitizing ink |
| US4111462A (en) * | 1975-07-15 | 1978-09-05 | Minnesota Mining And Manufacturing Company | Latent, sensitizing ink |
| US4038761A (en) * | 1976-02-17 | 1977-08-02 | A. B. Dick Company | Element and method for teaching with liquid crystals |
| US4097637A (en) * | 1976-03-29 | 1978-06-27 | A. B. Dick Company | Latent imaging master |
| US4084332A (en) * | 1977-03-07 | 1978-04-18 | Waloszyk John S | System for visual communication |
| AT372909B (de) * | 1979-03-20 | 1983-11-25 | Manuel Ing Cespon | Farbentwicklermassen zur herstellung eines druck- empfindlichen aufzeichungsmaterials mit besonders starker farbbildung und lichtbestaendigkeit |
| US4525214A (en) * | 1983-03-11 | 1985-06-25 | The Mazer Corporation | Crayon adapted for development of latent images |
| US4631203A (en) * | 1985-04-08 | 1986-12-23 | Rolf Schaefer | Latent imaging and developer system |
| US4787852A (en) * | 1987-04-24 | 1988-11-29 | Melnick David W | Multicolor interactive notepad |
| US5032567A (en) * | 1987-06-19 | 1991-07-16 | Showa Denko K.K. | Additive for heat-sensitive recording material, the recording material and method for production of the recording material |
| US5017226A (en) * | 1988-10-03 | 1991-05-21 | A. B. Dick Company | Ink and method for the development of concealed images |
| US5084434A (en) * | 1988-10-03 | 1992-01-28 | A.B. Dick Company | Ink and method for the development of concealed iamges |
| US5261954A (en) * | 1989-03-14 | 1993-11-16 | The Wiggins Teape Group Limited | Authenticatable security paper and authenticating composition therefor |
| JPH0323984A (ja) * | 1989-06-20 | 1991-01-31 | Seiji Kawashima | 印刷物 |
| US5087283A (en) * | 1990-01-02 | 1992-02-11 | Dixon Marvin P | Sympathetic ink for ink jet printer |
| US5372387A (en) * | 1992-12-15 | 1994-12-13 | Wajda; Tadeusz | Security device for document protection |
| IT1267135B1 (it) * | 1993-07-14 | 1997-01-28 | Pier Giorgio Pifferi | Una soluzione chimica idonea a rivelare la contraffazione di carta moneta e carta valori. |
| ES2165781B1 (es) * | 1999-10-21 | 2004-08-16 | Signe, S.A. | Procedimiento para la obtencion de huellas dactilares o plantares en centros y organismos oficiales especialmente maternidades. |
| DE10361478B4 (de) * | 2003-12-23 | 2008-05-08 | Eastman Kodak Co. | Verfahren zur Erkennung einer farblosen oder farbarmen Registermarke |
| US20050275214A1 (en) * | 2004-06-14 | 2005-12-15 | Joshua Pokempner | Printed materials with color-change inks to create unique designs |
| US9121831B2 (en) * | 2011-08-24 | 2015-09-01 | Multisorb Technologies, Inc. | Copper, starch and iodide moisture indicator |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB415535A (en) * | 1933-05-09 | 1934-08-30 | Mccorquodale & Co Ltd | A new or improved means utilizing sympathetic ink reactions for amusement, educational, decorative, conjuring and other purposes |
| US3349408A (en) * | 1965-08-12 | 1967-10-24 | Leeds & Northrup Co | Recorder |
| US3363338A (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 |
-
1968
- 1968-09-03 US US757067A patent/US3632364A/en not_active Expired - Lifetime
-
1969
- 1969-08-06 CA CA058823A patent/CA930161A/en not_active Expired
- 1969-08-26 GB GB42503/69A patent/GB1272809A/en not_active Expired
- 1969-08-27 BR BR211892/69A patent/BR6911892D0/pt unknown
- 1969-08-30 ES ES371043A patent/ES371043A1/es not_active Expired
- 1969-09-02 NO NO3496/69A patent/NO136345C/no unknown
- 1969-09-02 NL NL6913361A patent/NL6913361A/xx not_active Application Discontinuation
- 1969-09-02 SE SE12138/69A patent/SE364473B/xx unknown
- 1969-09-02 CH CH1329069A patent/CH557153A/xx not_active IP Right Cessation
- 1969-09-03 JP JP6991769A patent/JPS552354B1/ja active Pending
- 1969-09-03 BE BE738380D patent/BE738380A/xx not_active IP Right Cessation
- 1969-09-03 FR FR6929981A patent/FR2017289A1/fr not_active Withdrawn
- 1969-09-03 DE DE19691944739 patent/DE1944739A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BR6911892D0 (pt) | 1973-01-18 |
| NO136345B (https=) | 1977-05-16 |
| DE1944739A1 (de) | 1970-06-18 |
| JPS552354B1 (https=) | 1980-01-19 |
| SE364473B (https=) | 1974-02-25 |
| CA930161A (en) | 1973-07-17 |
| FR2017289A1 (https=) | 1970-05-22 |
| US3632364A (en) | 1972-01-04 |
| NO136345C (no) | 1977-08-24 |
| ES371043A1 (es) | 1971-10-16 |
| CH557153A (de) | 1974-12-31 |
| NL6913361A (https=) | 1970-03-05 |
| BE738380A (https=) | 1970-02-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1272809A (en) | Improvements in or relating to concealed printing | |
| GB1019222A (en) | Improvements in or relating to silver halide photographic materials | |
| GB1332258A (en) | Dual response photosensitive compositions | |
| US5017226A (en) | Ink and method for the development of concealed images | |
| GB1138779A (en) | Improvements in or relating to imaged masters | |
| GB1047492A (https=) | ||
| GB905701A (en) | Improvements in or relating to improved photographic diffusion-transfer reversal processes | |
| GB1426312A (en) | Direct-positive photographic material | |
| GB1038337A (en) | Improvements in light-sensitive photothermographic materials | |
| GB1379103A (en) | Photographic developer compositions | |
| ES476020A1 (es) | Estructura util para impresion de colorantes por transferen-cia termica. | |
| GB953925A (en) | Developer for photomechanical printing plates | |
| GB1447454A (en) | Thermally developable photographic material | |
| GB717805A (en) | Process for incorporating particles of an inorganic substance into paper | |
| GB947633A (en) | Improved copy sheets | |
| GB1455831A (en) | Development composition for use in colour contrast photography | |
| JPS5331133A (en) | Color photographic developing agent | |
| GB250770A (en) | Improvements in or relating to the manufacture of photographic films, papers and thelike | |
| US3418128A (en) | Photosensitive compositions comprising acid addition salts of substituted leucocyanide triphenylmethane dyes and metal perchlorates | |
| US2931724A (en) | Correction fluid and method for correcting blueprints | |
| GB1344525A (en) | Photographic silver halide materials containing a beta-disulphone | |
| GB1390325A (en) | Developer composition for diffusion-transfer photographic material | |
| US5084434A (en) | Ink and method for the development of concealed iamges | |
| GB1335422A (en) | Direct-positive silver halide photographic material | |
| GB797918A (en) | Improvements in stability of photographic paper emulsion coatings |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |