BE863634A - Colorants fluorescents derives de la coumarine - Google Patents

Colorants fluorescents derives de la coumarine

Info

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
Application number
BE184886A
Other languages
English (en)
French (fr)
Original Assignee
Bayer Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of BE863634A publication Critical patent/BE863634A/xx

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)
  • Detergent Compositions (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
BE184886A 1977-02-05 1978-02-03 Colorants fluorescents derives de la coumarine BE863634A (fr)

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 (el)
JP (1) JPS5821936B2 (el)
BE (1) BE863634A (el)
BR (1) BR7800647A (el)
CH (1) CH621450B (el)
DE (1) DE2704825C3 (el)
ES (1) ES466626A1 (el)
FR (1) FR2379581A1 (el)
GB (1) GB1555453A (el)
IN (1) IN147054B (el)
IT (1) IT7819991A0 (el)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
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
US5041238A (en) * 1986-02-18 1991-08-20 Exciton Chemical Company o,o'-Bridged oligophenylene laser dyes, dyestuff lasers and methods of lasing therewith
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
EP0374668A3 (de) * 1988-12-16 1992-02-05 A.W. Faber - Castell GmbH & Co. Fluoreszierende Markierungsflüssigkeit
US7063264B2 (en) 2001-12-24 2006-06-20 Digimarc Corporation Covert variable information on identification documents and methods of making same
US7815124B2 (en) 2002-04-09 2010-10-19 L-1 Secure Credentialing, Inc. Image processing techniques for printing identification cards and documents
CA2469938C (en) * 2001-12-24 2009-09-15 Digimarc Id Systems, Llc Laser engraving methods and compositions, and articles having laser engraving thereon
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
AU2002364036A1 (en) 2001-12-24 2003-07-15 Digimarc Id Systems, Llc Laser etched security features for identification 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
EP1459246B1 (en) * 2001-12-24 2012-05-02 L-1 Secure Credentialing, Inc. Method for full color laser marking of id 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
EP1614064B1 (en) 2003-04-16 2010-12-08 L-1 Secure Credentialing, Inc. Three dimensional data storage

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL282249A (el) * 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 (el) * 1972-06-21 1977-02-15

Also Published As

Publication number Publication date
JPS5821936B2 (ja) 1983-05-04
FR2379581A1 (fr) 1978-09-01
US4256900A (en) 1981-03-17
IN147054B (el) 1979-10-27
ES466626A1 (es) 1978-10-01
CH621450GA3 (el) 1981-02-13
DE2704825B2 (de) 1979-04-05
IT7819991A0 (it) 1978-02-03
CH621450B (de)
DE2704825C3 (de) 1979-11-29
DE2704825A1 (de) 1978-08-10
GB1555453A (en) 1979-11-07
JPS5397025A (en) 1978-08-24
BR7800647A (pt) 1978-09-12

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BAYER A.G.

Effective date: 19840203