ES473785A1 - Procedure for obtaining a paper that reacts to counterfeit by chemical agents. (Machine-translation by Google Translate, not legally binding) - Google Patents
Procedure for obtaining a paper that reacts to counterfeit by chemical agents. (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES473785A1 ES473785A1 ES473785A ES473785A ES473785A1 ES 473785 A1 ES473785 A1 ES 473785A1 ES 473785 A ES473785 A ES 473785A ES 473785 A ES473785 A ES 473785A ES 473785 A1 ES473785 A1 ES 473785A1
- Authority
- ES
- Spain
- Prior art keywords
- reacts
- translation
- paper
- obtaining
- machine
- 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
- 239000013043 chemical agent Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 229920003043 Cellulose fiber Polymers 0.000 abstract 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000004040 coloring Methods 0.000 abstract 1
- 239000012764 mineral filler Substances 0.000 abstract 1
- 150000002828 nitro derivatives Chemical class 0.000 abstract 1
- 238000004513 sizing Methods 0.000 abstract 1
Landscapes
- Paper (AREA)
Abstract
Process for obtaining a paper that reacts to falsification by chemical agents of the type glued on both sides and which comprises in its mass and/or its surface a reactive product in a basic medium, characterized in that it essentially comprises constituting a composition formed by approximately 85% by weight. % cellulose fiber and 15% mineral fillers with approximately 0.2% sizing agents, 0.4% alumina sulfate and 0.1% coloring matters, which basically contains 0.2 to 1% of its reactive product in basic medium selected from the nitro derivatives of the phenol of the general formula i. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7731671A FR2406027A1 (en) | 1977-10-14 | 1977-10-14 | Security paper treated with a nitrophenol - showing, in a range of colours from yellow to violet, any attempt at alteration using alkaline media |
| FR7823652A FR2432576A2 (en) | 1978-08-02 | 1978-08-02 | Forging-resistant paper for receipts and official documents - contg. nitrophenol deriv. reacting in basic medium (NL 18.4.79) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES473785A1 true ES473785A1 (en) | 1979-04-16 |
Family
ID=26220269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES473785A Expired ES473785A1 (en) | 1977-10-14 | 1978-09-29 | Procedure for obtaining a paper that reacts to counterfeit by chemical agents. (Machine-translation by Google Translate, not legally binding) |
Country Status (2)
| Country | Link |
|---|---|
| AT (1) | AT370150B (en) |
| ES (1) | ES473785A1 (en) |
-
1978
- 1978-09-14 AT AT665778A patent/AT370150B/en not_active IP Right Cessation
- 1978-09-29 ES ES473785A patent/ES473785A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ATA665778A (en) | 1982-07-15 |
| AT370150B (en) | 1983-03-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD1A | Patent lapsed |
Effective date: 20000201 |