BE801236A - Nouveaux spiropyrannes et precurseurs de colorants pour procedes de reproduction - Google Patents

Nouveaux spiropyrannes et precurseurs de colorants pour procedes de reproduction

Info

Publication number
BE801236A
BE801236A BE132541A BE132541A BE801236A BE 801236 A BE801236 A BE 801236A BE 132541 A BE132541 A BE 132541A BE 132541 A BE132541 A BE 132541A BE 801236 A BE801236 A BE 801236A
Authority
BE
Belgium
Prior art keywords
spiropyrans
new
dye precursors
reproductive processes
reproductive
Prior art date
Application number
BE132541A
Other languages
English (en)
French (fr)
Original Assignee
Basf 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 Basf Ag filed Critical Basf Ag
Publication of BE801236A publication Critical patent/BE801236A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
    • C07D491/10—Spiro-condensed systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/132—Chemical colour-forming components; Additives or binders therefor
    • B41M5/136—Organic colour formers, e.g. leuco dyes
    • B41M5/15—Spiro-pyrans

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Color Printing (AREA)
BE132541A 1972-06-21 1973-06-21 Nouveaux spiropyrannes et precurseurs de colorants pour procedes de reproduction BE801236A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2230225A DE2230225C2 (de) 1972-06-21 1972-06-21 Neue Chinoxalin-spiropyrane und deren Verwendung als Farbbildner für Kopierverfahren

Publications (1)

Publication Number Publication Date
BE801236A true BE801236A (fr) 1973-12-21

Family

ID=5848318

Family Applications (1)

Application Number Title Priority Date Filing Date
BE132541A BE801236A (fr) 1972-06-21 1973-06-21 Nouveaux spiropyrannes et precurseurs de colorants pour procedes de reproduction

Country Status (11)

Country Link
US (1) US3896126A (it)
JP (1) JPS5717026B2 (it)
BE (1) BE801236A (it)
CA (1) CA1005445A (it)
CH (1) CH580102A5 (it)
DD (1) DD107696A5 (it)
DE (1) DE2230225C2 (it)
ES (1) ES416093A1 (it)
FR (1) FR2189413B1 (it)
GB (1) GB1424886A (it)
IT (1) IT985338B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2272082B1 (it) * 1974-05-24 1978-08-11 Issec
DE2430568C3 (de) * 1974-06-26 1979-02-08 Basf Ag, 6700 Ludwigshafen Spirodipyrane und deren Verwendung als Farbbildner für druckempfindliche Aufzeichnungsmaterialien
DE3044120A1 (de) * 1980-11-24 1982-07-15 Basf Ag, 6700 Ludwigshafen Druck- und thermoempfindliches aufzeichnungsmaterial
US8722076B2 (en) 2010-09-30 2014-05-13 Surmodics, Inc. Photochrome- or near IR dye-coupled polymeric matrices for medical articles

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL214309A (it) * 1956-02-06
US3366628A (en) * 1966-06-23 1968-01-30 American Home Prod 1, 2-dihydro-1-polyhydroxyalkyl-2-quinoxalinones

Also Published As

Publication number Publication date
JPS4949976A (it) 1974-05-15
CH580102A5 (it) 1976-09-30
DE2230225A1 (de) 1974-01-10
DE2230225C2 (de) 1985-01-17
FR2189413B1 (it) 1977-01-07
CA1005445A (en) 1977-02-15
GB1424886A (en) 1976-02-11
FR2189413A1 (it) 1974-01-25
JPS5717026B2 (it) 1982-04-08
ES416093A1 (es) 1976-02-16
DD107696A5 (it) 1974-08-12
US3896126A (en) 1975-07-22
IT985338B (it) 1974-11-30

Similar Documents

Publication Publication Date Title
BE814868A (fr) Nouveaux spirodipyrannes et agents chromogenes pour procedes dereproduction
BE802571A (fr) Accessoire pour corps lineaires
FR2275507A1 (fr) Colorants et procede pour colorer des polyurethannes synthetiques
AT334427B (de) Farbbildwiedergabeeinrichtung
BE818365R (fr) Nouvelles lactones de la serie du diazaxanthene et precurseurs de colorants pour procedes de reproduction
BE802250A (fr) Melanges de colorants
BE807508A (fr) Nouveaux colorants disazoiques
BE800369A (fr) Indicateur de deroulement pour cassette de magnetophone
BE801694A (fr) Nouveaux spiropyrannes et precurseurs de colorants pour procedes de reproduction
IT987462B (it) Apparato di riproduzione
BE793517A (fr) Colorants anthraquinoniques
BE774255A (fr) Preparations de colorants et procedes pour leur production
FR2279220A1 (fr) Tube cathodique pour reproduire des images colorees
BE849744A (fr) Tube cathodique pour reproduire des images colorees
BE801236A (fr) Nouveaux spiropyrannes et precurseurs de colorants pour procedes de reproduction
FR2276307A1 (fr) Precurseurs de colorants pour procedes de reproduction
FR2344559A1 (fr) Spirobipyrannes. precurseurs de colorant pour procedes de reproduction
BE803712A (fr) Cyanomethane sulfonamidobenzenes utilisables pour la teinture des cheveux
BE804418A (fr) Nouvelles lactones de la serie du diazaxanthene et precurseurs de colorants pour procedes de reproduction
BE797321A (fr) Colorants polyazoiques
BE786365A (fr) Granules de matiere colorante pour la teinture de polystyrene
BE796205A (fr) Colorants quinophaloniques
BE795783A (fr) Colorants azoiques reactifs
BE795903A (fr) Nouveaux colorants azo-pyrazolium
BE791322A (fr) Nouveaux 1-phenyl-3-hydroxy-3-methyltriazenes et procedes pour les fabriquer

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BADISCHE ANILIN- & SODAFABRIK A.G.

Effective date: 19860630