GB1356840A - Material and process for photochemically forming photographic images - Google Patents

Material and process for photochemically forming photographic images

Info

Publication number
GB1356840A
GB1356840A GB5346971A GB5346971A GB1356840A GB 1356840 A GB1356840 A GB 1356840A GB 5346971 A GB5346971 A GB 5346971A GB 5346971 A GB5346971 A GB 5346971A GB 1356840 A GB1356840 A GB 1356840A
Authority
GB
United Kingdom
Prior art keywords
photo
alkyl
chromic
nov
nitro
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
GB5346971A
Other languages
English (en)
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of GB1356840A publication Critical patent/GB1356840A/en
Expired legal-status Critical Current

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
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
GB5346971A 1970-11-19 1971-11-17 Material and process for photochemically forming photographic images Expired GB1356840A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45102198A JPS4923897B1 (enrdf_load_stackoverflow) 1970-11-19 1970-11-19

Publications (1)

Publication Number Publication Date
GB1356840A true GB1356840A (en) 1974-06-19

Family

ID=14320947

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5346971A Expired GB1356840A (en) 1970-11-19 1971-11-17 Material and process for photochemically forming photographic images

Country Status (5)

Country Link
US (1) US3773508A (enrdf_load_stackoverflow)
JP (1) JPS4923897B1 (enrdf_load_stackoverflow)
DE (1) DE2157542A1 (enrdf_load_stackoverflow)
FR (1) FR2114747A5 (enrdf_load_stackoverflow)
GB (1) GB1356840A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7604219A (nl) * 1975-04-24 1976-10-26 Cellophane Sa Werkwijze voor het bereiden van gestabiliseerde fotochrome preparaten en registratiematerialen vervaardigd met behulp van deze preparaten.
IE56890B1 (en) * 1984-12-30 1992-01-15 Scully Richard L Photosensitive composition for direct positive colour photograph
JP2722617B2 (ja) * 1989-02-27 1998-03-04 松下電器産業株式会社 フォトクロミック材料
JP2722635B2 (ja) * 1989-03-30 1998-03-04 松下電器産業株式会社 フォトクロミック材料の製造方法
US5501945A (en) * 1994-08-30 1996-03-26 The University Of Akron Method of using multichromic polymers in packaging
DE19646820C2 (de) * 1996-11-13 2001-03-01 Volker Bus Optisch aktive Spiropyranverbindungen, Verfahren zu ihrer Herstellung und diese Spiropyrane enthaltende Materialien
CN108148576A (zh) * 2018-03-05 2018-06-12 天津孚信阳光科技有限公司 一种有色变无色光致变色化合物及其制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3320067A (en) * 1963-09-03 1967-05-16 Polaroid Corp Composition and process utilizing photospirans
US3355293A (en) * 1964-02-26 1967-11-28 Ncr Co Conversion of benzo-indolinospiropyran image to fixed red image
US3501410A (en) * 1966-07-06 1970-03-17 Eastman Kodak Co Benzopyrylospiran photochrome containing an electron acceptor
US3642479A (en) * 1970-03-02 1972-02-15 Eastman Kodak Co Photographic element and process

Also Published As

Publication number Publication date
US3773508A (en) 1973-11-20
JPS4923897B1 (enrdf_load_stackoverflow) 1974-06-19
FR2114747A5 (enrdf_load_stackoverflow) 1972-06-30
DE2157542A1 (de) 1972-05-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees