JPS4944027A - - Google Patents

Info

Publication number
JPS4944027A
JPS4944027A JP48073773A JP7377373A JPS4944027A JP S4944027 A JPS4944027 A JP S4944027A JP 48073773 A JP48073773 A JP 48073773A JP 7377373 A JP7377373 A JP 7377373A JP S4944027 A JPS4944027 A JP S4944027A
Authority
JP
Japan
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.)
Granted
Application number
JP48073773A
Other versions
JPS5544782B2 (ja
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 filed Critical
Publication of JPS4944027A publication Critical patent/JPS4944027A/ja
Publication of JPS5544782B2 publication Critical patent/JPS5544782B2/ja
Expired 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
    • 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)
JP7377373A 1972-07-01 1973-07-02 Expired JPS5544782B2 (ja)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS4944027A true JPS4944027A (ja) 1974-04-25
JPS5544782B2 JPS5544782B2 (ja) 1980-11-14

Family

ID=5849393

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7377373A Expired JPS5544782B2 (ja) 1972-07-01 1973-07-02

Country Status (10)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS501746A (ja) * 1973-05-02 1975-01-09
JPS5126932A (ja) * 1974-06-26 1976-03-05 Basf Ag
JPS5395705A (en) * 1977-01-29 1978-08-22 Basf Ag Pressure sensitive recording material

Families Citing this family (6)

* 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
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
NL125655C (ja) * 1959-07-15

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS501746A (ja) * 1973-05-02 1975-01-09
JPS5436862B2 (ja) * 1973-05-02 1979-11-12
JPS5126932A (ja) * 1974-06-26 1976-03-05 Basf Ag
JPS5639785B2 (ja) * 1974-06-26 1981-09-16
JPS5395705A (en) * 1977-01-29 1978-08-22 Basf Ag Pressure sensitive recording material

Also Published As

Publication number Publication date
FR2190816A1 (ja) 1974-02-01
FR2190816B1 (ja) 1978-08-04
BE801694A (fr) 1974-01-02
ES416481A1 (es) 1976-02-16
JPS5544782B2 (ja) 1980-11-14
US3899514A (en) 1975-08-12
DE2232364A1 (de) 1974-03-28
GB1426396A (en) 1976-02-25
DE2232364B2 (de) 1975-07-03
IT988290B (it) 1975-04-10
CA998681A (en) 1976-10-19
CH578002A5 (ja) 1976-07-30
DD109871A5 (ja) 1974-11-20

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