CH621450GA3 - - Google Patents
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- Publication number
- CH621450GA3 CH621450GA3 CH122878A CH122878A CH621450GA3 CH 621450G A3 CH621450G A3 CH 621450GA3 CH 122878 A CH122878 A CH 122878A CH 122878 A CH122878 A CH 122878A CH 621450G A3 CH621450G A3 CH 621450GA3
- Authority
- CH
- Switzerland
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 (2)
| Publication Number | Publication Date |
|---|---|
| CH621450B CH621450B (de) | |
| CH621450GA3 true CH621450GA3 (ro) | 1981-02-13 |
Family
ID=6000433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH122878A CH621450B (de) | 1977-02-05 | 1978-02-03 | Fluoreszenzfarbstoffe. |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4256900A (ro) |
| JP (1) | JPS5821936B2 (ro) |
| BE (1) | BE863634A (ro) |
| BR (1) | BR7800647A (ro) |
| CH (1) | CH621450B (ro) |
| DE (1) | DE2704825C3 (ro) |
| ES (1) | ES466626A1 (ro) |
| FR (1) | FR2379581A1 (ro) |
| GB (1) | GB1555453A (ro) |
| IN (1) | IN147054B (ro) |
| IT (1) | IT7819991A0 (ro) |
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 |
| US7793846B2 (en) * | 2001-12-24 | 2010-09-14 | L-1 Secure Credentialing, Inc. | Systems, compositions, and methods for full color laser engraving of ID documents |
| EP1459239B1 (en) | 2001-12-24 | 2012-04-04 | L-1 Secure Credentialing, Inc. | Covert variable information on id documents and methods of making same |
| US7694887B2 (en) | 2001-12-24 | 2010-04-13 | L-1 Secure Credentialing, Inc. | Optically variable personalized indicia for identification documents |
| 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 |
| EP1467834A4 (en) * | 2001-12-24 | 2005-04-06 | Digimarc Id Systems Llc | LASER SEVERE SAFETY ELEMENTS FOR IDENTIFICATION DOCUMENTS AND METHODS OF MAKING THE SAME |
| CN1316421C (zh) * | 2001-12-24 | 2007-05-16 | 数字Id系统有限公司 | 激光刻印方法和组合物以及上面有激光刻印的制品 |
| 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 |
| AU2003298731A1 (en) | 2002-11-26 | 2004-06-18 | 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 |
| CA2522551C (en) | 2003-04-16 | 2009-12-22 | Digimarc Corporation | Three dimensional data storage |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL282249A (ro) * | 1961-08-19 | |||
| CH1646570A4 (ro) * | 1968-06-26 | 1972-05-15 | ||
| 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 |
| CH592189B5 (ro) * | 1972-06-21 | 1977-10-14 | Ciba Geigy Ag |
-
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 BR BR7800647A patent/BR7800647A/pt unknown
- 1978-02-02 GB GB4274/78A patent/GB1555453A/en not_active Expired
- 1978-02-03 CH CH122878A patent/CH621450B/xx unknown
- 1978-02-03 IT IT7819991A patent/IT7819991A0/it unknown
- 1978-02-03 FR FR7803111A patent/FR2379581A1/fr not_active Withdrawn
- 1978-02-03 JP JP53010631A patent/JPS5821936B2/ja not_active Expired
- 1978-02-03 BE BE184886A patent/BE863634A/xx not_active IP Right Cessation
- 1978-02-03 ES ES466626A patent/ES466626A1/es not_active Expired
-
1979
- 1979-05-29 US US06/043,247 patent/US4256900A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CH621450B (de) | |
| DE2704825A1 (de) | 1978-08-10 |
| JPS5821936B2 (ja) | 1983-05-04 |
| BR7800647A (pt) | 1978-09-12 |
| ES466626A1 (es) | 1978-10-01 |
| IN147054B (ro) | 1979-10-27 |
| BE863634A (fr) | 1978-08-03 |
| IT7819991A0 (it) | 1978-02-03 |
| DE2704825B2 (de) | 1979-04-05 |
| US4256900A (en) | 1981-03-17 |
| FR2379581A1 (fr) | 1978-09-01 |
| JPS5397025A (en) | 1978-08-24 |
| GB1555453A (en) | 1979-11-07 |
| DE2704825C3 (de) | 1979-11-29 |