GB1350930A - Concealed printing - Google Patents
Concealed printingInfo
- Publication number
- GB1350930A GB1350930A GB2403771A GB2403771A GB1350930A GB 1350930 A GB1350930 A GB 1350930A GB 2403771 A GB2403771 A GB 2403771A GB 2403771 A GB2403771 A GB 2403771A GB 1350930 A GB1350930 A GB 1350930A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- groups
- wax
- leuco dye
- acids
- 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
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 abstract 6
- 239000002253 acid Substances 0.000 abstract 5
- 239000001993 wax Substances 0.000 abstract 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 abstract 4
- 239000002841 Lewis acid Substances 0.000 abstract 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 abstract 4
- 150000007517 lewis acids Chemical class 0.000 abstract 4
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 abstract 4
- 239000000976 ink Substances 0.000 abstract 3
- 239000000543 intermediate Substances 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 3
- SULYEHHGGXARJS-UHFFFAOYSA-N 2',4'-dihydroxyacetophenone Chemical compound CC(=O)C1=CC=C(O)C=C1O SULYEHHGGXARJS-UHFFFAOYSA-N 0.000 abstract 2
- 150000007513 acids Chemical class 0.000 abstract 2
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 abstract 2
- 235000011187 glycerol Nutrition 0.000 abstract 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- AYNPIRVEWMUJDE-UHFFFAOYSA-N 2,5-dichlorohydroquinone Chemical compound OC1=CC(Cl)=C(O)C=C1Cl AYNPIRVEWMUJDE-UHFFFAOYSA-N 0.000 abstract 1
- FECNOIODIVNEKI-UHFFFAOYSA-N 2-[(2-aminobenzoyl)amino]benzoic acid Chemical class NC1=CC=CC=C1C(=O)NC1=CC=CC=C1C(O)=O FECNOIODIVNEKI-UHFFFAOYSA-N 0.000 abstract 1
- RLFWWDJHLFCNIJ-UHFFFAOYSA-N Aminoantipyrine Natural products CN1C(C)=C(N)C(=O)N1C1=CC=CC=C1 RLFWWDJHLFCNIJ-UHFFFAOYSA-N 0.000 abstract 1
- KSPIHGBHKVISFI-UHFFFAOYSA-N Diphenylcarbazide Chemical compound C=1C=CC=CC=1NNC(=O)NNC1=CC=CC=C1 KSPIHGBHKVISFI-UHFFFAOYSA-N 0.000 abstract 1
- 229920000084 Gum arabic Polymers 0.000 abstract 1
- 241000978776 Senegalia senegal Species 0.000 abstract 1
- 229920002472 Starch Polymers 0.000 abstract 1
- 235000010489 acacia gum Nutrition 0.000 abstract 1
- 239000000205 acacia gum Substances 0.000 abstract 1
- 125000004018 acid anhydride group Chemical group 0.000 abstract 1
- 125000003277 amino group Chemical group 0.000 abstract 1
- VEQOALNAAJBPNY-UHFFFAOYSA-N antipyrine Chemical compound CN1C(C)=CC(=O)N1C1=CC=CC=C1 VEQOALNAAJBPNY-UHFFFAOYSA-N 0.000 abstract 1
- VJVNWXUZZOBHRZ-UHFFFAOYSA-N benzene phosphoric acid Chemical compound P(=O)(O)(O)O.P(=O)(O)(O)O.P(=O)(O)(O)O.C1=CC=CC=C1 VJVNWXUZZOBHRZ-UHFFFAOYSA-N 0.000 abstract 1
- QQWGVQWAEANRTK-UHFFFAOYSA-N bromosuccinic acid Chemical compound OC(=O)CC(Br)C(O)=O QQWGVQWAEANRTK-UHFFFAOYSA-N 0.000 abstract 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 125000004093 cyano group Chemical group *C#N 0.000 abstract 1
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 abstract 1
- 125000004185 ester group Chemical group 0.000 abstract 1
- 229940074391 gallic acid Drugs 0.000 abstract 1
- 235000004515 gallic acid Nutrition 0.000 abstract 1
- 125000005843 halogen group Chemical group 0.000 abstract 1
- 125000005462 imide group Chemical group 0.000 abstract 1
- 229910010272 inorganic material Inorganic materials 0.000 abstract 1
- 239000011147 inorganic material Substances 0.000 abstract 1
- 125000000468 ketone group Chemical group 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- -1 methyl heterocyclic compound Chemical class 0.000 abstract 1
- 150000007522 mineralic acids Chemical class 0.000 abstract 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 abstract 1
- 150000002894 organic compounds Chemical class 0.000 abstract 1
- 125000000962 organic group Chemical group 0.000 abstract 1
- 125000003544 oxime group Chemical group 0.000 abstract 1
- KLAKIAVEMQMVBT-UHFFFAOYSA-N p-hydroxy-phenacyl alcohol Natural products OCC(=O)C1=CC=C(O)C=C1 KLAKIAVEMQMVBT-UHFFFAOYSA-N 0.000 abstract 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 abstract 1
- 239000012188 paraffin wax Substances 0.000 abstract 1
- 229960005222 phenazone Drugs 0.000 abstract 1
- IYDGMDWEHDFVQI-UHFFFAOYSA-N phosphoric acid;trioxotungsten Chemical compound O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.OP(O)(O)=O IYDGMDWEHDFVQI-UHFFFAOYSA-N 0.000 abstract 1
- 239000004014 plasticizer Substances 0.000 abstract 1
- 229920001515 polyalkylene glycol Polymers 0.000 abstract 1
- 239000003755 preservative agent Substances 0.000 abstract 1
- 230000002335 preservative effect Effects 0.000 abstract 1
- 125000004151 quinonyl group Chemical group 0.000 abstract 1
- 229960004889 salicylic acid Drugs 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 235000019698 starch Nutrition 0.000 abstract 1
- 239000008107 starch Substances 0.000 abstract 1
- 239000001384 succinic acid Substances 0.000 abstract 1
- 150000003628 tricarboxylic acids Chemical class 0.000 abstract 1
Classifications
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B3/00—Manually or mechanically operated teaching appliances working with questions and answers
- G09B3/06—Manually or mechanically operated teaching appliances working with questions and answers of the multiple-choice answer type, i.e. where a given question is provided with a series of answers and a choice has to be made
- G09B3/08—Manually or mechanically operated teaching appliances working with questions and answers of the multiple-choice answer type, i.e. where a given question is provided with a series of answers and a choice has to be made of chart form
- G09B3/085—Manually or mechanically operated teaching appliances working with questions and answers of the multiple-choice answer type, i.e. where a given question is provided with a series of answers and a choice has to be made of chart form with invisibly printed correct answer; the answer being rendered visible by special optical means, e.g. filters; mirrors
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Color Printing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1995570A | 1970-03-16 | 1970-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1350930A true GB1350930A (en) | 1974-04-24 |
Family
ID=21795979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2403771A Expired GB1350930A (en) | 1970-03-16 | 1971-04-19 | Concealed printing |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE764350A (enExample) |
| CA (1) | CA940301A (enExample) |
| DE (1) | DE2112380A1 (enExample) |
| FR (1) | FR2084649A5 (enExample) |
| GB (1) | GB1350930A (enExample) |
| NL (1) | NL7103180A (enExample) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5310627A (en) * | 1992-12-15 | 1994-05-10 | Minnesota Mining And Manufacturing Company | Changing the color of yellow resist images by application of pH-sensitive dyes |
| EP2199094A1 (de) | 2008-12-22 | 2010-06-23 | Mondi Uncoated Fine & Kraft Paper GmbH | Verfahren zur farbgebenden Beschriftung von Oberflächen |
| WO2010072388A2 (de) | 2008-12-22 | 2010-07-01 | Mondi Uncoated Fine & Kraft Paper Gmbh | Verfahren zur farbgebenden beschriftung von oberflächen |
| EP2264110A1 (de) | 2009-06-17 | 2010-12-22 | Mondi Uncoated Fine & Kraft Paper GmbH | Reaktive Tinte zur farbgebenden Beschriftung von Oberflächen |
| EP2325018A1 (de) | 2009-11-24 | 2011-05-25 | Mondi Uncoated Fine & Kraft Paper GmbH | Thermisch sensibles Aufzeichnungsmaterial |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0022760A1 (fr) * | 1979-02-16 | 1981-01-21 | Amplikart S.P.R.L. | Auto-contrôle pour questionnaire à choix multiple |
| US4272106A (en) | 1979-10-10 | 1981-06-09 | Minnesota Mining And Manufacturing Company | Copy sheet |
-
1971
- 1971-02-25 CA CA106,297A patent/CA940301A/en not_active Expired
- 1971-03-10 NL NL7103180A patent/NL7103180A/xx unknown
- 1971-03-15 DE DE19712112380 patent/DE2112380A1/de active Pending
- 1971-03-16 BE BE764350A patent/BE764350A/xx unknown
- 1971-03-16 FR FR7109048A patent/FR2084649A5/fr not_active Expired
- 1971-04-19 GB GB2403771A patent/GB1350930A/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5310627A (en) * | 1992-12-15 | 1994-05-10 | Minnesota Mining And Manufacturing Company | Changing the color of yellow resist images by application of pH-sensitive dyes |
| EP2199094A1 (de) | 2008-12-22 | 2010-06-23 | Mondi Uncoated Fine & Kraft Paper GmbH | Verfahren zur farbgebenden Beschriftung von Oberflächen |
| WO2010072388A2 (de) | 2008-12-22 | 2010-07-01 | Mondi Uncoated Fine & Kraft Paper Gmbh | Verfahren zur farbgebenden beschriftung von oberflächen |
| EP2264110A1 (de) | 2009-06-17 | 2010-12-22 | Mondi Uncoated Fine & Kraft Paper GmbH | Reaktive Tinte zur farbgebenden Beschriftung von Oberflächen |
| EP2325018A1 (de) | 2009-11-24 | 2011-05-25 | Mondi Uncoated Fine & Kraft Paper GmbH | Thermisch sensibles Aufzeichnungsmaterial |
| WO2011063919A1 (de) | 2009-11-24 | 2011-06-03 | Mondi Uncoated Fine & Kraft Paper Gmbh | Thermisch sensibles aufzeichnungsmaterial |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2084649A5 (enExample) | 1971-12-17 |
| BE764350A (fr) | 1971-08-16 |
| NL7103180A (enExample) | 1971-09-20 |
| DE2112380A1 (de) | 1971-10-07 |
| CA940301A (en) | 1974-01-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |