BE801694A - 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
BE801694A
BE801694A BE132934A BE132934A BE801694A BE 801694 A BE801694 A BE 801694A BE 132934 A BE132934 A BE 132934A BE 132934 A BE132934 A BE 132934A BE 801694 A BE801694 A BE 801694A
Authority
BE
Belgium
Prior art keywords
spiropyrans
new
dye precursors
reproductive processes
reproductive
Prior art date
Application number
BE132934A
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
Priority claimed from DE19722232364 external-priority patent/DE2232364C3/de
Application filed by Basf Ag filed Critical Basf Ag
Publication of BE801694A publication Critical patent/BE801694A/xx

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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
    • Y10S8/916—Natural fiber dyeing
    • Y10S8/919—Paper

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Color Printing (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
BE132934A 1972-07-01 1973-06-29 Nouveaux spiropyrannes et precurseurs de colorants pour procedes de reproduction BE801694A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722232364 DE2232364C3 (de) 1972-07-01 Spirodipyrane

Publications (1)

Publication Number Publication Date
BE801694A true BE801694A (fr) 1974-01-02

Family

ID=5849393

Family Applications (1)

Application Number Title Priority Date Filing Date
BE132934A BE801694A (fr) 1972-07-01 1973-06-29 Nouveaux spiropyrannes et precurseurs de colorants pour procedes de reproduction

Country Status (10)

Country Link
US (1) US3899514A (it)
JP (1) JPS5544782B2 (it)
BE (1) BE801694A (it)
CA (1) CA998681A (it)
CH (1) CH578002A5 (it)
DD (1) DD109871A5 (it)
ES (1) ES416481A1 (it)
FR (1) FR2190816B1 (it)
GB (1) GB1426396A (it)
IT (1) IT988290B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5436862B2 (it) * 1973-05-02 1979-11-12
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
DE2703811A1 (de) * 1977-01-29 1978-08-10 Basf Ag Druckempfindliches aufzeichnungsmaterial
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1259745A (fr) * 1959-06-19 1961-04-28 Ncr Co Dérivés du 3'-méthyle-spyro
NL253843A (it) * 1959-07-15

Also Published As

Publication number Publication date
DE2232364A1 (de) 1974-03-28
FR2190816B1 (it) 1978-08-04
DE2232364B2 (de) 1975-07-03
DD109871A5 (it) 1974-11-20
IT988290B (it) 1975-04-10
US3899514A (en) 1975-08-12
GB1426396A (en) 1976-02-25
JPS5544782B2 (it) 1980-11-14
JPS4944027A (it) 1974-04-25
ES416481A1 (es) 1976-02-16
CH578002A5 (it) 1976-07-30
FR2190816A1 (it) 1974-02-01
CA998681A (en) 1976-10-19

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Legal Events

Date Code Title Description
RE Patent lapsed

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

Effective date: 19860630