BE863634A - Colorants fluorescents derives de la coumarine - Google Patents
Colorants fluorescents derives de la coumarineInfo
- Publication number
- BE863634A BE863634A BE184886A BE184886A BE863634A BE 863634 A BE863634 A BE 863634A BE 184886 A BE184886 A BE 184886A BE 184886 A BE184886 A BE 184886A BE 863634 A BE863634 A BE 863634A
- Authority
- BE
- Belgium
- Prior art keywords
- coumarine
- fluorescent colorants
- colorants derived
- derived
- fluorescent
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B57/00—Other synthetic dyes of known constitution
- C09B57/02—Coumarine dyes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
- Pyrane Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2704825A DE2704825C3 (de) | 1977-02-05 | 1977-02-05 | Fluoreszenzfarbstoffe, Verfahren zu deren Herstellung und deren Verwendung zum Weißtönen organischer Materialien |
Publications (1)
Publication Number | Publication Date |
---|---|
BE863634A true BE863634A (fr) | 1978-08-03 |
Family
ID=6000433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE184886A BE863634A (fr) | 1977-02-05 | 1978-02-03 | Colorants fluorescents derives de la coumarine |
Country Status (11)
Country | Link |
---|---|
US (1) | US4256900A (pl) |
JP (1) | JPS5821936B2 (pl) |
BE (1) | BE863634A (pl) |
BR (1) | BR7800647A (pl) |
CH (1) | CH621450B (pl) |
DE (1) | DE2704825C3 (pl) |
ES (1) | ES466626A1 (pl) |
FR (1) | FR2379581A1 (pl) |
GB (1) | GB1555453A (pl) |
IN (1) | IN147054B (pl) |
IT (1) | IT7819991A0 (pl) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3408028A1 (de) * | 1984-03-05 | 1985-09-12 | Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe | Verwendung von substituierten und unsubstituierten ringueberbrueckten para-oligophenylenen als uv-laserfarbstoffe |
US5037578A (en) * | 1986-02-18 | 1991-08-06 | Exciton Chemical Company | O,O'-bridged oligophenylene laser dyes and dyestuff lasers and method of lasing therewith |
US5041238A (en) * | 1986-02-18 | 1991-08-20 | Exciton Chemical Company | o,o'-Bridged oligophenylene laser dyes, dyestuff lasers and methods of lasing therewith |
EP0374668A3 (de) * | 1988-12-16 | 1992-02-05 | A.W. Faber - Castell GmbH & Co. | Fluoreszierende Markierungsflüssigkeit |
WO2003056500A1 (en) | 2001-12-24 | 2003-07-10 | Digimarc Id Systems, Llc | Covert variable information on id documents and methods of making same |
US7728048B2 (en) | 2002-12-20 | 2010-06-01 | L-1 Secure Credentialing, Inc. | Increasing thermal conductivity of host polymer used with laser engraving methods and compositions |
ATE435757T1 (de) * | 2001-12-24 | 2009-07-15 | Digimarc Id Systems Llc | Lasergravierverfahren sowie mit lasergravur versehene artikel |
US7694887B2 (en) | 2001-12-24 | 2010-04-13 | L-1 Secure Credentialing, Inc. | Optically variable personalized indicia for identification documents |
WO2003056507A1 (en) * | 2001-12-24 | 2003-07-10 | Digimarc Id Systems, Llc | Systems, compositions, and methods for full color laser engraving of id documents |
CA2470547C (en) | 2001-12-24 | 2008-05-20 | Digimarc Id Systems, Llc | Laser etched security features for identification documents and methods of making same |
WO2003088144A2 (en) * | 2002-04-09 | 2003-10-23 | Digimarc Id Systems, Llc | Image processing techniques for printing identification cards and documents |
US7824029B2 (en) | 2002-05-10 | 2010-11-02 | L-1 Secure Credentialing, Inc. | Identification card printer-assembler for over the counter card issuing |
WO2004049242A2 (en) | 2002-11-26 | 2004-06-10 | Digimarc Id Systems | Systems and methods for managing and detecting fraud in image databases used with identification documents |
US7763179B2 (en) * | 2003-03-21 | 2010-07-27 | Digimarc Corporation | Color laser engraving and digital watermarking |
DE602004030434D1 (de) | 2003-04-16 | 2011-01-20 | L 1 Secure Credentialing Inc | Dreidimensionale datenspeicherung |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL133761C (pl) * | 1961-08-19 | |||
CH527316A (de) * | 1968-06-26 | 1972-10-13 | Ciba Geigy Ag | Verwendung von Verbindungen der 3-Phenyl-7-(4'-chlor-pyrazolyl-(1'))-cumarin-Reihe zum optischen Aufhellen von Textilmaterial |
BE755136A (fr) * | 1969-08-23 | 1971-02-01 | Bayer Ag | Agents eclaircissants optiques a base de composes de 4-chloropyrazolyl |
DE2050726A1 (de) * | 1970-10-15 | 1972-04-20 | Farbenfabriken Bayer Ag, 5090 Leverkusen | Aufhellungsmittel |
CH740075A4 (pl) * | 1972-06-21 | 1977-02-15 |
-
1977
- 1977-02-05 DE DE2704825A patent/DE2704825C3/de not_active Expired
- 1977-12-28 IN IN524/DEL/77A patent/IN147054B/en unknown
-
1978
- 1978-02-02 GB GB4274/78A patent/GB1555453A/en not_active Expired
- 1978-02-02 BR BR7800647A patent/BR7800647A/pt unknown
- 1978-02-03 JP JP53010631A patent/JPS5821936B2/ja not_active Expired
- 1978-02-03 CH CH122878A patent/CH621450B/xx unknown
- 1978-02-03 ES ES466626A patent/ES466626A1/es not_active Expired
- 1978-02-03 IT IT7819991A patent/IT7819991A0/it unknown
- 1978-02-03 FR FR7803111A patent/FR2379581A1/fr not_active Withdrawn
- 1978-02-03 BE BE184886A patent/BE863634A/xx not_active IP Right Cessation
-
1979
- 1979-05-29 US US06/043,247 patent/US4256900A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES466626A1 (es) | 1978-10-01 |
CH621450GA3 (pl) | 1981-02-13 |
FR2379581A1 (fr) | 1978-09-01 |
BR7800647A (pt) | 1978-09-12 |
CH621450B (de) | |
DE2704825A1 (de) | 1978-08-10 |
JPS5821936B2 (ja) | 1983-05-04 |
DE2704825B2 (de) | 1979-04-05 |
IT7819991A0 (it) | 1978-02-03 |
JPS5397025A (en) | 1978-08-24 |
DE2704825C3 (de) | 1979-11-29 |
IN147054B (pl) | 1979-10-27 |
GB1555453A (en) | 1979-11-07 |
US4256900A (en) | 1981-03-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: BAYER A.G. Effective date: 19840203 |