FR2344559B1 - - Google Patents

Info

Publication number
FR2344559B1
FR2344559B1 FR7707966A FR7707966A FR2344559B1 FR 2344559 B1 FR2344559 B1 FR 2344559B1 FR 7707966 A FR7707966 A FR 7707966A FR 7707966 A FR7707966 A FR 7707966A FR 2344559 B1 FR2344559 B1 FR 2344559B1
Authority
FR
France
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
FR7707966A
Other languages
French (fr)
Other versions
FR2344559A1 (fr
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.)
BASF SE
Original Assignee
BASF SE
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 SE filed Critical BASF SE
Publication of FR2344559A1 publication Critical patent/FR2344559A1/fr
Application granted granted Critical
Publication of FR2344559B1 publication Critical patent/FR2344559B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/10—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)
  • Color Printing (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
FR7707966A 1976-03-19 1977-03-17 Spirobipyrannes. precurseurs de colorant pour procedes de reproduction Granted FR2344559A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2611600A DE2611600C2 (de) 1976-03-19 1976-03-19 Spirodipyrane und deren Verwendung

Publications (2)

Publication Number Publication Date
FR2344559A1 FR2344559A1 (fr) 1977-10-14
FR2344559B1 true FR2344559B1 (OSRAM) 1982-06-04

Family

ID=5972868

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7707966A Granted FR2344559A1 (fr) 1976-03-19 1977-03-17 Spirobipyrannes. precurseurs de colorant pour procedes de reproduction

Country Status (5)

Country Link
US (3) US4110348A (OSRAM)
CH (1) CH625523A5 (OSRAM)
DE (1) DE2611600C2 (OSRAM)
FR (1) FR2344559A1 (OSRAM)
GB (1) GB1569472A (OSRAM)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2611600C2 (de) * 1976-03-19 1986-12-18 Basf Ag, 6700 Ludwigshafen Spirodipyrane und deren Verwendung
DE2737207A1 (de) * 1977-08-18 1979-03-01 Basf Ag Farbbildner fuer kopierverfahren
DE2847690A1 (de) * 1978-11-03 1980-05-22 Basf Ag Farbbildner fuer kopierverfahren
US4342696A (en) * 1980-10-08 1982-08-03 Armstrong World Industries, Inc. 7-Dimethylamino-3-substituted-2,2'-spirobi[2H-1-benzopyrans]
US4348508A (en) * 1981-06-25 1982-09-07 Armstrong World Industries, Inc. 3-Substituted-7-alkoxy-2,2'-Spirobi[2H-1-benzopyrans]
US4382134A (en) * 1981-10-22 1983-05-03 Armstrong World Industries, Inc. 3-Substituted-7-alkoxy-spiro(2H-1-benzopyran-2,3'-(3H)-naphtho(2,1-B)pyrans)
US4384094A (en) * 1981-10-22 1983-05-17 Armstrong World Industries, Inc. 3-Substituted-7-dialkylamino-spiro(2H-1-benzopyran-2,3'-(3H)-naphtha(2,1-b)pyrans)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL252815A (OSRAM) * 1959-06-19
NL125655C (OSRAM) * 1959-07-15
JPS4833712B1 (OSRAM) * 1969-05-26 1973-10-16
GB1359472A (en) * 1970-09-01 1974-07-10 Agfa Gevaert Photographic recording and reproduction of information
DD109871A5 (OSRAM) * 1972-07-01 1974-11-20
DE2323803C3 (de) * 1973-05-11 1983-12-01 Basf Ag, 6700 Ludwigshafen Spirodipyrane und deren Verwendung als Farbbildner für Kopierverfahren
DE2430568C3 (de) * 1974-06-26 1979-02-08 Basf Ag, 6700 Ludwigshafen Spirodipyrane und deren Verwendung als Farbbildner für druckempfindliche Aufzeichnungsmaterialien
DE2611600C2 (de) * 1976-03-19 1986-12-18 Basf Ag, 6700 Ludwigshafen Spirodipyrane und deren Verwendung
DE2737207A1 (de) * 1977-08-18 1979-03-01 Basf Ag Farbbildner fuer kopierverfahren

Also Published As

Publication number Publication date
US4110348A (en) 1978-08-29
GB1569472A (en) 1980-06-18
US4316027A (en) 1982-02-16
DE2611600A1 (de) 1977-09-22
DE2611600C2 (de) 1986-12-18
FR2344559A1 (fr) 1977-10-14
US4345073A (en) 1982-08-17
CH625523A5 (OSRAM) 1981-09-30

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Legal Events

Date Code Title Description
ST Notification of lapse