CA998681A - Spirodipyrans and chromogenic materials for copying processes - Google Patents

Spirodipyrans and chromogenic materials for copying processes

Info

Publication number
CA998681A
CA998681A CA175,148A CA175148A CA998681A CA 998681 A CA998681 A CA 998681A CA 175148 A CA175148 A CA 175148A CA 998681 A CA998681 A CA 998681A
Authority
CA
Canada
Prior art keywords
spirodipyrans
chromogenic materials
copying processes
copying
processes
Prior art date
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
CA175,148A
Other languages
English (en)
Other versions
CA175148S (en
Inventor
Hans Baumann
Andreas Oberlinner
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
Badische Anilin and Sodafabrik 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 Badische Anilin and Sodafabrik AG filed Critical Badische Anilin and Sodafabrik AG
Application granted granted Critical
Publication of CA998681A publication Critical patent/CA998681A/en
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)
CA175,148A 1972-07-01 1973-06-28 Spirodipyrans and chromogenic materials for copying processes Expired CA998681A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA998681A true CA998681A (en) 1976-10-19

Family

ID=5849393

Family Applications (1)

Application Number Title Priority Date Filing Date
CA175,148A Expired CA998681A (en) 1972-07-01 1973-06-28 Spirodipyrans and chromogenic materials for copying processes

Country Status (10)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5436862B2 (es) * 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
NL125655C (es) * 1959-07-15

Also Published As

Publication number Publication date
FR2190816B1 (es) 1978-08-04
GB1426396A (en) 1976-02-25
DE2232364B2 (de) 1975-07-03
DE2232364A1 (de) 1974-03-28
FR2190816A1 (es) 1974-02-01
ES416481A1 (es) 1976-02-16
IT988290B (it) 1975-04-10
CH578002A5 (es) 1976-07-30
US3899514A (en) 1975-08-12
JPS5544782B2 (es) 1980-11-14
JPS4944027A (es) 1974-04-25
BE801694A (fr) 1974-01-02
DD109871A5 (es) 1974-11-20

Similar Documents

Publication Publication Date Title
CA971172A (en) Chromogenic material
GB1367830A (en) Processes and materials for making photoresists
CA998681A (en) Spirodipyrans and chromogenic materials for copying processes
CA1012818A (en) Photographic products and processes
CA980464A (en) Photomasks
CA1007508A (en) Photographic products and processes
AU5728373A (en) Photographic materials and processes
CA965139A (en) Static neutralizer
AU463185B2 (en) Cartridge for sheet material
AU458444B2 (en) Chromogenic marking material
CA1007087A (en) Photographic products and processes
CA1005445A (en) Spiropyrans and dye-forming components for copying processes
CA1012816A (en) Photographic products and processes
CA1004080A (en) Lithographic material
CA1006029A (en) Photographic products and processes
AU468538B2 (en) Polyerisable materials
CA913557A (en) Sheet handling apparatus
AU6146673A (en) Materials handling system
CA1003262A (en) Developer material
CA890856A (en) Electrophotographic materials and processes
CA890363A (en) Photographic processes and materials
CA891431A (en) Photographic materials and processes
CA894922A (en) Photomasks
CA904887A (en) Diazotype materials
CA891883A (en) Tray for frangible materials