DE2938132C2 - - Google Patents

Info

Publication number
DE2938132C2
DE2938132C2 DE2938132A DE2938132A DE2938132C2 DE 2938132 C2 DE2938132 C2 DE 2938132C2 DE 2938132 A DE2938132 A DE 2938132A DE 2938132 A DE2938132 A DE 2938132A DE 2938132 C2 DE2938132 C2 DE 2938132C2
Authority
DE
Germany
Prior art keywords
general formula
alkyl
compounds
halogen
fluorescent dyes
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
Application number
DE2938132A
Other languages
German (de)
English (en)
Other versions
DE2938132A1 (de
Inventor
Roderich Dr. 5090 Leverkusen De Raue
Wolfgang Dr. 5060 Bergisch Gladbach De Brinkwerth
Wolfgang 5000 Koeln De Hueffer
Rudolf Dr. 5030 Huerth De Schieder
Helmut Dr. 5000 Koeln De Telle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lambda Physik AG
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
Priority to DE19792938132 priority Critical patent/DE2938132A1/de
Priority to US06/184,695 priority patent/US4338258A/en
Publication of DE2938132A1 publication Critical patent/DE2938132A1/de
Priority to US06/335,986 priority patent/US4551265A/en
Application granted granted Critical
Publication of DE2938132C2 publication Critical patent/DE2938132C2/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/20—Liquids
    • H01S3/213—Liquids including an organic dye
    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent materials, e.g. electroluminescent or chemiluminescent
    • C09K11/06—Luminescent materials, e.g. electroluminescent or chemiluminescent containing organic luminescent materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Materials Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Indole Compounds (AREA)
DE19792938132 1979-09-20 1979-09-20 Fluoreszenzfarbstoffe, verfahren zu ihrer herstellung sowie ihre verwendung als laserfarbstoffe Granted DE2938132A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19792938132 DE2938132A1 (de) 1979-09-20 1979-09-20 Fluoreszenzfarbstoffe, verfahren zu ihrer herstellung sowie ihre verwendung als laserfarbstoffe
US06/184,695 US4338258A (en) 1979-09-20 1980-09-08 Fluorescent dyestuffs, processes for their preparation and their use as laser dyestuffs
US06/335,986 US4551265A (en) 1979-09-20 1981-12-30 Fluorescent dyestuffs, processes for their preparation and their use as laser dyestuffs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792938132 DE2938132A1 (de) 1979-09-20 1979-09-20 Fluoreszenzfarbstoffe, verfahren zu ihrer herstellung sowie ihre verwendung als laserfarbstoffe

Publications (2)

Publication Number Publication Date
DE2938132A1 DE2938132A1 (de) 1981-04-09
DE2938132C2 true DE2938132C2 (https=) 1988-03-31

Family

ID=6081423

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792938132 Granted DE2938132A1 (de) 1979-09-20 1979-09-20 Fluoreszenzfarbstoffe, verfahren zu ihrer herstellung sowie ihre verwendung als laserfarbstoffe

Country Status (2)

Country Link
US (2) US4338258A (https=)
DE (1) DE2938132A1 (https=)

Families Citing this family (18)

* 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
US5126214A (en) * 1989-03-15 1992-06-30 Idemitsu Kosan Co., Ltd. Electroluminescent element
US5973195A (en) * 1998-03-19 1999-10-26 Energy Biosystems Corporation Surfactants derived from 2-(2-hydroxyphenyl)benzenesulfinate and alkyl-substituted derivatives
AU2002364036A1 (en) 2001-12-24 2003-07-15 Digimarc Id Systems, Llc Laser etched security features for identification documents and methods of making same
CA2470600C (en) 2001-12-24 2009-12-22 Digimarc Id Systems, Llc Systems, compositions, and methods for full color laser engraving of id documents
US7694887B2 (en) 2001-12-24 2010-04-13 L-1 Secure Credentialing, Inc. Optically variable personalized indicia for identification documents
US20030234286A1 (en) * 2001-12-24 2003-12-25 Brian Labrec Laser engraving methods and compositions, and articles having laser engraving thereon
ATE552120T1 (de) 2001-12-24 2012-04-15 L 1 Secure Credentialing Inc Verdeckte variableninformationen auf id- dokumenten und verfahren zu ihrer herstellung
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
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
US7225991B2 (en) 2003-04-16 2007-06-05 Digimarc Corporation Three dimensional data storage
GB0700606D0 (en) 2007-01-11 2007-02-21 Crysoptix Ltd Polycyclic organic compound,anisotropic optical film and method of production thereof
US9079830B2 (en) * 2009-07-31 2015-07-14 Sumitomo Chemical Company, Limited Method for producing biaryl compound

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE903577C (de) * 1942-01-01 1954-02-08 Dehydag Gmbh Verfahren zur Herstellung von Kohlenwasserstoffsulfonaten
US3786369A (en) * 1972-12-27 1974-01-15 Eastman Kodak Co Laser dye composition
DE2700292C2 (de) * 1977-01-05 1981-09-24 Bayer Ag, 5090 Leverkusen Verwendung von bestimmten Bisstyryl-phenyl- oder -biphenyl- Verbindungen sowie deren Metall- oder organischen Ammoniumsalzen zur Erzeugung einer kohärenten Laseremission
CH641828A5 (fr) * 1979-08-17 1984-03-15 Ebauches Sa Composition a base de cristal liquide pour dispositif electro-optique.

Also Published As

Publication number Publication date
DE2938132A1 (de) 1981-04-09
US4338258A (en) 1982-07-06
US4551265A (en) 1985-11-05

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: LAMBDA PHYSIK GESELLSCHAFT ZUR HERSTELLUNG VON LAS

8339 Ceased/non-payment of the annual fee