ES2066685A1 - Process for processing paper, protecting it against unauthorized photocopying - Google Patents
Process for processing paper, protecting it against unauthorized photocopyingInfo
- Publication number
- ES2066685A1 ES2066685A1 ES09202162A ES9202162A ES2066685A1 ES 2066685 A1 ES2066685 A1 ES 2066685A1 ES 09202162 A ES09202162 A ES 09202162A ES 9202162 A ES9202162 A ES 9202162A ES 2066685 A1 ES2066685 A1 ES 2066685A1
- Authority
- ES
- Spain
- Prior art keywords
- protecting
- against unauthorized
- processing paper
- photocopying
- unauthorized photocopying
- 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.)
- Granted
Links
Landscapes
- Paper (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
Abstract
Process characterized in that the paper, consisting of a homogeneous layer of cellulose-fibre structure, is thereby inked by means of any system (direct or indirect) on at least one of its faces with a photochromic ink which is invisible to the human eye but which can be activated within the spectrum of light sources which can be used in photocopying machines. Applicable to the papermaking industry.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9202162A ES2066685B1 (en) | 1992-10-28 | 1992-10-28 | PROCEDURE FOR TREATING PAPER, PROTECTING IT AGAINST UNAUTHORIZED PHOTOCOPIES. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9202162A ES2066685B1 (en) | 1992-10-28 | 1992-10-28 | PROCEDURE FOR TREATING PAPER, PROTECTING IT AGAINST UNAUTHORIZED PHOTOCOPIES. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2066685A1 true ES2066685A1 (en) | 1995-03-01 |
ES2066685B1 ES2066685B1 (en) | 1995-11-16 |
Family
ID=8278589
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9202162A Expired - Lifetime ES2066685B1 (en) | 1992-10-28 | 1992-10-28 | PROCEDURE FOR TREATING PAPER, PROTECTING IT AGAINST UNAUTHORIZED PHOTOCOPIES. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2066685B1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2122545A (en) * | 1982-06-26 | 1984-01-18 | Coated Papers Limited | Security paper |
EP0302774A2 (en) * | 1987-07-30 | 1989-02-08 | Vicat | Anticopying printing-writing medium and associated method |
EP0327788A2 (en) * | 1988-01-12 | 1989-08-16 | Sicpa Holding S.A. | Reversibly photochromic printing inks |
WO1992012292A1 (en) * | 1991-01-10 | 1992-07-23 | Fabrica Nacional De Moneda Y Timbre | Method for obtaining security paper and security paper obtained by such method |
ES1021874U (en) * | 1990-11-28 | 1993-03-01 | Artes Graficas Lerchundi, S.A. | Enhanced check. (Machine-translation by Google Translate, not legally binding) |
ES1022883U (en) * | 1992-10-28 | 1993-06-01 | Teledata, S.A. | Security paper for protection against unauthorized copying texts. (Machine-translation by Google Translate, not legally binding) |
-
1992
- 1992-10-28 ES ES9202162A patent/ES2066685B1/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2122545A (en) * | 1982-06-26 | 1984-01-18 | Coated Papers Limited | Security paper |
EP0302774A2 (en) * | 1987-07-30 | 1989-02-08 | Vicat | Anticopying printing-writing medium and associated method |
EP0327788A2 (en) * | 1988-01-12 | 1989-08-16 | Sicpa Holding S.A. | Reversibly photochromic printing inks |
ES1021874U (en) * | 1990-11-28 | 1993-03-01 | Artes Graficas Lerchundi, S.A. | Enhanced check. (Machine-translation by Google Translate, not legally binding) |
WO1992012292A1 (en) * | 1991-01-10 | 1992-07-23 | Fabrica Nacional De Moneda Y Timbre | Method for obtaining security paper and security paper obtained by such method |
ES1022883U (en) * | 1992-10-28 | 1993-06-01 | Teledata, S.A. | Security paper for protection against unauthorized copying texts. (Machine-translation by Google Translate, not legally binding) |
Also Published As
Publication number | Publication date |
---|---|
ES2066685B1 (en) | 1995-11-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA2A | Application withdrawn |
Effective date: 19970314 |