BR9502392A - Processo para a proteçao de documentos contra adulteraçao - Google Patents
Processo para a proteçao de documentos contra adulteraçaoInfo
- Publication number
- BR9502392A BR9502392A BR9502392A BR9502392A BR9502392A BR 9502392 A BR9502392 A BR 9502392A BR 9502392 A BR9502392 A BR 9502392A BR 9502392 A BR9502392 A BR 9502392A BR 9502392 A BR9502392 A BR 9502392A
- Authority
- BR
- Brazil
- Prior art keywords
- protection
- against tampering
- documents against
- documents
- tampering
- Prior art date
Links
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
- B41M3/142—Security printing using chemical colour-formers or chemical reactions, e.g. leuco-dye/acid, photochromes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Paper (AREA)
- Printing Methods (AREA)
- Color Printing (AREA)
- Sanitary Thin Papers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI941546A IT1275363B (it) | 1994-07-21 | 1994-07-21 | Procedimento per la protezione anticontraffzione di documenti realizzati su supporti di carta o di altri materiali opportuni |
US08/503,456 US5789019A (en) | 1994-07-21 | 1995-07-17 | Method for protecting against forgery sheet-like printed documents |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9502392A true BR9502392A (pt) | 1996-06-25 |
Family
ID=26331173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9502392A BR9502392A (pt) | 1994-07-21 | 1995-07-21 | Processo para a proteçao de documentos contra adulteraçao |
Country Status (5)
Country | Link |
---|---|
US (1) | US5789019A (pt) |
EP (1) | EP0693383A3 (pt) |
BR (1) | BR9502392A (pt) |
CA (1) | CA2154237A1 (pt) |
IT (1) | IT1275363B (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7041432B2 (en) * | 2004-03-29 | 2006-05-09 | Markhart Gary T | Apparatus and method for thermally developing flexographic printing elements |
US8152073B2 (en) | 2008-04-30 | 2012-04-10 | Polyonics, Inc. | Method and apparatus for the detection of counterfeiting |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1353720A (en) * | 1919-11-26 | 1920-09-21 | Carvalho David Nunes | Process and composition for the protection of monetary and other documents |
US2067988A (en) * | 1934-04-23 | 1937-01-19 | Todd Co Inc | Distinctive paper and method of making same |
US2229155A (en) * | 1938-04-23 | 1941-01-21 | Wenker Henry | Indicator paper |
US3713861A (en) * | 1969-12-04 | 1973-01-30 | Xerox Corp | Inhibitor device |
US3886083A (en) * | 1974-05-09 | 1975-05-27 | American Bank Note Co | Safety inks and documents |
GB1525383A (en) * | 1974-08-02 | 1978-09-20 | Portals Ltd | Paper for printed sheets |
US4143891A (en) * | 1976-12-29 | 1979-03-13 | Transkirt Corporation | Negotiable document |
DE2951486C2 (de) * | 1979-12-20 | 1982-06-16 | GAO Gesellschaft für Automation und Organisation mbH, 8000 München | Gegen Fälschungen und Verfälschungen geschütztes Sicherheitspapier und Verfahren zu seiner Herstellung |
US4397483A (en) * | 1980-10-17 | 1983-08-09 | Mitsubishi Paper Mills, Ltd. | Pressure sensitive recording paper |
US4360548A (en) * | 1980-10-24 | 1982-11-23 | The Standard Register Company | Self-contained covert image |
US4462039A (en) * | 1981-12-14 | 1984-07-24 | British American Bank Note Inc. | Plastic identification card having an improved signature panel |
JPS58209588A (ja) * | 1982-06-01 | 1983-12-06 | Mitsubishi Paper Mills Ltd | 秘密文書作成方法 |
US4662651A (en) * | 1985-05-31 | 1987-05-05 | The Standard Register Company | Document protection using multicolor characters |
US4636818A (en) * | 1985-06-05 | 1987-01-13 | Moore Business Forms, Inc. | Carbonless system including solvent-only microcapsules |
US4936607A (en) * | 1988-01-27 | 1990-06-26 | Moore Business Forms, Inc. | Security for images formed by impact based systems |
DE3938603A1 (de) * | 1989-11-21 | 1991-05-23 | Jung Bayropa Gmbh | Verfahren zum erkennen von kopien |
US5114735A (en) * | 1989-12-12 | 1992-05-19 | Webcraft Technologies, Inc. | Fragrance enhanced scratch-off layer for game cards |
FR2669735B2 (fr) * | 1990-06-06 | 1993-02-19 | Hutchinson | Procede et dispositif de mise en evidence d'un ou de choc(s) recu(s) par un substrat. |
EP0579608A1 (en) * | 1991-01-29 | 1994-01-26 | CORRADI, Giorgio | A document, in particular a credit instrument, able to reveal forgeries |
US5250492A (en) * | 1991-03-07 | 1993-10-05 | The Standard Register Company | Coatings for use with business forms, security documents, or safety paper |
US5271645A (en) * | 1991-10-04 | 1993-12-21 | Wicker Thomas M | Pigment/fluorescence threshold mixing method for printing photocopy-proof document |
GB9408342D0 (en) * | 1994-04-27 | 1994-06-15 | Willett Int Ltd | Method and composition |
-
1994
- 1994-07-21 IT ITMI941546A patent/IT1275363B/it active IP Right Grant
-
1995
- 1995-03-17 EP EP95830100A patent/EP0693383A3/en not_active Withdrawn
- 1995-07-17 US US08/503,456 patent/US5789019A/en not_active Expired - Fee Related
- 1995-07-19 CA CA002154237A patent/CA2154237A1/en not_active Abandoned
- 1995-07-21 BR BR9502392A patent/BR9502392A/pt not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
ITMI941546A1 (it) | 1996-01-21 |
ITMI941546A0 (it) | 1994-07-21 |
US5789019A (en) | 1998-08-04 |
IT1275363B (it) | 1997-08-05 |
CA2154237A1 (en) | 1996-01-22 |
EP0693383A3 (en) | 1997-06-18 |
EP0693383A2 (en) | 1996-01-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB34 | Technical and formal requirements: requirement - article 34 of industrial property law | ||
FA14 | Dismissal: dismissal - article 34 of industrial property law | ||
B11T | Dismissal of application maintained [chapter 11.20 patent gazette] |