GB157811A - Multicolour prints secure against photographic imitation, especially for securities - Google Patents
Multicolour prints secure against photographic imitation, especially for securitiesInfo
- Publication number
- GB157811A GB157811A GB153321A GB153321A GB157811A GB 157811 A GB157811 A GB 157811A GB 153321 A GB153321 A GB 153321A GB 153321 A GB153321 A GB 153321A GB 157811 A GB157811 A GB 157811A
- Authority
- GB
- United Kingdom
- Prior art keywords
- colour
- printing
- ground
- securities
- imitation
- 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
- 239000003086 colorant Substances 0.000 abstract 2
- 238000004040 coloring Methods 0.000 abstract 1
- 238000007689 inspection Methods 0.000 abstract 1
- 238000000034 method Methods 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
- B41M3/14—Security printing
Landscapes
- Printing Methods (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEL0048601 | 1919-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB157811A true GB157811A (en) | 1922-07-10 |
Family
ID=7272551
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB153321A Expired GB157811A (en) | 1919-07-22 | 1921-01-10 | Multicolour prints secure against photographic imitation, especially for securities |
| GB1369223A Expired GB198364A (en) | 1919-07-22 | 1923-05-23 | Polychromatic prints proof against direct reproduction by photography |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1369223A Expired GB198364A (en) | 1919-07-22 | 1923-05-23 | Polychromatic prints proof against direct reproduction by photography |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH95082A (enrdf_load_stackoverflow) |
| FR (1) | FR533638A (enrdf_load_stackoverflow) |
| GB (2) | GB157811A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE767521C (de) * | 1935-11-26 | 1952-11-17 | Bundesrep Deutschland | Verfahren zum Herstellen von Wertpapierdrucken |
| US3852088A (en) * | 1972-03-20 | 1974-12-03 | Ibm | Security document system and method |
| US4277514A (en) * | 1978-03-07 | 1981-07-07 | Toppan Printing Co., Ltd. | Forgery resistant document with colored areas and method for thwarting reproduction of same |
-
0
- FR FR533638D patent/FR533638A/fr not_active Expired
-
1921
- 1921-01-10 GB GB153321A patent/GB157811A/en not_active Expired
- 1921-02-08 CH CH95082D patent/CH95082A/de unknown
-
1923
- 1923-05-23 GB GB1369223A patent/GB198364A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB198364A (en) | 1924-04-03 |
| FR533638A (enrdf_load_stackoverflow) | 1922-03-07 |
| CH95082A (de) | 1922-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB157811A (en) | Multicolour prints secure against photographic imitation, especially for securities | |
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| CA204398A (en) | Process for removing ink and colouring matter from printed papers |