IT985338B - Spiropirani e formatori di colore per procedimenti di ripro duzione - Google Patents

Spiropirani e formatori di colore per procedimenti di ripro duzione

Info

Publication number
IT985338B
IT985338B IT50502/73A IT5050273A IT985338B IT 985338 B IT985338 B IT 985338B IT 50502/73 A IT50502/73 A IT 50502/73A IT 5050273 A IT5050273 A IT 5050273A IT 985338 B IT985338 B IT 985338B
Authority
IT
Italy
Prior art keywords
spiropirani
color formers
reproduction procedures
reproduction
procedures
Prior art date
Application number
IT50502/73A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT985338B publication Critical patent/IT985338B/it

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)
IT50502/73A 1972-06-21 1973-06-07 Spiropirani e formatori di colore per procedimenti di ripro duzione IT985338B (it)

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
IT985338B true IT985338B (it) 1974-11-30

Family

ID=5848318

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50502/73A IT985338B (it) 1972-06-21 1973-06-07 Spiropirani e formatori di colore per procedimenti di ripro duzione

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
NL102415C (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
JPS5717026B2 (it) 1982-04-08
FR2189413A1 (it) 1974-01-25
CH580102A5 (it) 1976-09-30
CA1005445A (en) 1977-02-15
DD107696A5 (it) 1974-08-12
FR2189413B1 (it) 1977-01-07
ES416093A1 (es) 1976-02-16
US3896126A (en) 1975-07-22
BE801236A (fr) 1973-12-21
DE2230225C2 (de) 1985-01-17
GB1424886A (en) 1976-02-11
JPS4949976A (it) 1974-05-15
DE2230225A1 (de) 1974-01-10

Similar Documents

Publication Publication Date Title
IT1011408B (it) Spirodipirani e formatori di colore per procedimenti di copiatura
SE404019B (sv) Forfarande for framstellnig av n-fosfonometylglycin
CA1013492A (en) Method for making polyetherimides
CA981128A (en) Head gate
BE802596A (fr) Carbazoles
AU469300B2 (en) Complex of 7-dimethylamino-6-demethyl-6-deoxytetracycline hydrochloride
IT987462B (it) Apparato di riproduzione
SE395650B (sv) Forfarande for framstellning av plattor
TR17483A (tr) Isoparafin-olefin alkilendirme usulue
IT988290B (it) Spirodipirani e formatori di colore per procedimenti di riproduzione
FI55626C (fi) Anordning foer framstaellning av en behaollare
ZA739610B (en) Photographic reproduction composition and process
IT990072B (it) Procedimento per produrre anidride ftalica
SE384462B (sv) Forfarande for hardytbeleggning
IT978661B (it) Dispositivo per la valutazione di tonalita di colore
IT985338B (it) Spiropirani e formatori di colore per procedimenti di ripro duzione
BR7301278D0 (pt) Formadores incolores de cor
IT1040634B (it) Formatori di colore per procedimenti di copiatura
IT997526B (it) Lattoni della serie diazaxantenica e formatori di colore per procedi menti di riproduzione
AT362426B (de) Farbbildwiedergabeeinrichtung
CA984742A (en) Circulation apparatus
DK137359B (da) Jevnstromstransformator
DK135063C (da) Fremgangsmade til billeddannelse
IT989688B (it) Procedimento per produrre polieteri contenenti alogeno
AR198703A1 (es) Colorantes de dihidroxipiridina