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CH431267A - Procédé de stabilisation des images formées, dans des couches de substances photochromiques, par des radiations ultra-violettes - Google Patents

Procédé de stabilisation des images formées, dans des couches de substances photochromiques, par des radiations ultra-violettes

Info

Publication number
CH431267A
CH431267A CH213465A CH213465A CH431267A CH 431267 A CH431267 A CH 431267A CH 213465 A CH213465 A CH 213465A CH 213465 A CH213465 A CH 213465A CH 431267 A CH431267 A CH 431267A
Authority
CH
Switzerland
Prior art keywords
ultra
layers
images formed
photochromic substances
violet radiations
Prior art date
Application number
CH213465A
Other languages
English (en)
Original Assignee
Ncr Co
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 Ncr Co filed Critical Ncr Co
Publication of CH431267A publication Critical patent/CH431267A/fr

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/56—Processes using photosensitive compositions covered by the groups G03C1/64 - G03C1/72 or agents therefor
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/685—Compositions containing spiro-condensed pyran compounds or derivatives thereof, as photosensitive substances
    • 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
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/163—Radiation-chromic compound

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
CH213465A 1964-02-26 1965-02-16 Procédé de stabilisation des images formées, dans des couches de substances photochromiques, par des radiations ultra-violettes CH431267A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US347437A US3355293A (en) 1964-02-26 1964-02-26 Conversion of benzo-indolinospiropyran image to fixed red image

Publications (1)

Publication Number Publication Date
CH431267A true CH431267A (fr) 1967-02-28

Family

ID=23363693

Family Applications (1)

Application Number Title Priority Date Filing Date
CH213465A CH431267A (fr) 1964-02-26 1965-02-16 Procédé de stabilisation des images formées, dans des couches de substances photochromiques, par des radiations ultra-violettes

Country Status (10)

Country Link
US (1) US3355293A (fr)
AT (1) AT258115B (fr)
BE (1) BE659193A (fr)
CH (1) CH431267A (fr)
DE (1) DE1572213A1 (fr)
DK (1) DK116635B (fr)
FR (1) FR1444714A (fr)
GB (1) GB1030219A (fr)
NL (1) NL6500516A (fr)
SE (1) SE335060B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR95880E (fr) * 1968-01-04 1971-11-12 Ncr Co Dispositif destiné a l'indication optique de données.
GB1303996A (fr) * 1969-07-08 1973-01-24
JPS4923897B1 (fr) * 1970-11-19 1974-06-19
EP0179436B1 (fr) * 1984-10-25 1991-05-08 Matsushita Electric Industrial Co., Ltd. Milieu d'enregistrement optique
US5501945A (en) * 1994-08-30 1996-03-26 The University Of Akron Method of using multichromic polymers in packaging

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3212898A (en) * 1962-11-21 1965-10-19 American Cyanamid Co Photosensitive compositions of matter comprising photochromic materials suspended in polyester binders

Also Published As

Publication number Publication date
DK116635B (da) 1970-01-26
US3355293A (en) 1967-11-28
DE1572213A1 (de) 1970-02-12
SE335060B (fr) 1971-05-10
GB1030219A (en) 1966-05-18
NL6500516A (fr) 1965-08-27
AT258115B (de) 1967-11-10
BE659193A (fr) 1965-05-28
FR1444714A (fr) 1966-07-08

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