FR2308951B1 - - Google Patents

Info

Publication number
FR2308951B1
FR2308951B1 FR7512750A FR7512750A FR2308951B1 FR 2308951 B1 FR2308951 B1 FR 2308951B1 FR 7512750 A FR7512750 A FR 7512750A FR 7512750 A FR7512750 A FR 7512750A FR 2308951 B1 FR2308951 B1 FR 2308951B1
Authority
FR
France
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
FR7512750A
Other versions
FR2308951A1 (fr
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.)
Cellophane SA France
Original Assignee
Cellophane SA France
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 Cellophane SA France filed Critical Cellophane SA France
Priority to FR7512750A priority Critical patent/FR2308951A1/fr
Priority to NL7604219A priority patent/NL7604219A/xx
Priority to DE2617588A priority patent/DE2617588C2/de
Priority to IT49128/76A priority patent/IT1058190B/it
Priority to BE166358A priority patent/BE840994A/fr
Priority to DK183876A priority patent/DK183876A/da
Priority to GB16611/76A priority patent/GB1519266A/en
Publication of FR2308951A1 publication Critical patent/FR2308951A1/fr
Priority to US05/866,345 priority patent/US4172725A/en
Priority to US05/866,346 priority patent/US4171980A/en
Priority to US06/059,229 priority patent/US4237207A/en
Application granted granted Critical
Publication of FR2308951B1 publication Critical patent/FR2308951B1/fr
Granted 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

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)
FR7512750A 1975-04-24 1975-04-24 Nouvelles compositions photochromes stabilisees et procedes de mise en oeuvre de ces compositions Granted FR2308951A1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR7512750A FR2308951A1 (fr) 1975-04-24 1975-04-24 Nouvelles compositions photochromes stabilisees et procedes de mise en oeuvre de ces compositions
NL7604219A NL7604219A (nl) 1975-04-24 1976-04-21 Werkwijze voor het bereiden van gestabiliseerde fotochrome preparaten en registratiematerialen vervaardigd met behulp van deze preparaten.
IT49128/76A IT1058190B (it) 1975-04-24 1976-04-22 Composizioni fotocromatiche stabilizzate e procedminto di riproduzione e registrazione mediante di esse
BE166358A BE840994A (fr) 1975-04-24 1976-04-22 Nouvelles compositions photochromes stabilisees et procedes de mise en oeuvre de ces compositions
DE2617588A DE2617588C2 (de) 1975-04-24 1976-04-22 Verwendung eines Harzes aus Polyvinylchlorid oder Copolymeren zum Blockieren der gefärbten Form von indolinischen oder von benzothiazolischen Spiropyranen und Reproduktionsverfahren mit photochromer Zusammensetzung
DK183876A DK183876A (da) 1975-04-24 1976-04-23 Registreringselement og deri anvendeligt fotochromt materiale
GB16611/76A GB1519266A (en) 1975-04-24 1976-04-23 Stabilised photochromic compositions and processes for the use of these compositions
US05/866,345 US4172725A (en) 1975-04-24 1978-01-03 Photosensitive compositions and recording materials and processes utilizing same
US05/866,346 US4171980A (en) 1975-04-24 1978-01-03 Photosensitive compositions and recording materials and processes utilizing same
US06/059,229 US4237207A (en) 1975-04-24 1979-07-20 Photochromic composition containing indoline spirobenzopyran and copolymer of PVC and imaged product thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7512750A FR2308951A1 (fr) 1975-04-24 1975-04-24 Nouvelles compositions photochromes stabilisees et procedes de mise en oeuvre de ces compositions

Publications (2)

Publication Number Publication Date
FR2308951A1 FR2308951A1 (fr) 1976-11-19
FR2308951B1 true FR2308951B1 (fr) 1983-03-11

Family

ID=9154414

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7512750A Granted FR2308951A1 (fr) 1975-04-24 1975-04-24 Nouvelles compositions photochromes stabilisees et procedes de mise en oeuvre de ces compositions

Country Status (2)

Country Link
BE (1) BE840994A (fr)
FR (1) FR2308951A1 (fr)

Also Published As

Publication number Publication date
BE840994A (fr) 1976-10-22
FR2308951A1 (fr) 1976-11-19

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Legal Events

Date Code Title Description
CL Concession to grant licenses
CD Change of name or company name
TP Transmission of property
CD Change of name or company name
TP Transmission of property
ST Notification of lapse