FR2352321A2 - Nouvelles compositions photochromes stabilisees et procedes de mise en oeuvre de ces compositions - Google Patents

Nouvelles compositions photochromes stabilisees et procedes de mise en oeuvre de ces compositions

Info

Publication number
FR2352321A2
FR2352321A2 FR7615336A FR7615336A FR2352321A2 FR 2352321 A2 FR2352321 A2 FR 2352321A2 FR 7615336 A FR7615336 A FR 7615336A FR 7615336 A FR7615336 A FR 7615336A FR 2352321 A2 FR2352321 A2 FR 2352321A2
Authority
FR
France
Prior art keywords
compsn
alkyl
photochromatic
och3
phenyl
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.)
Granted
Application number
FR7615336A
Other languages
English (en)
Other versions
FR2352321B2 (fr
Inventor
Claude Ceintrey
Robert Guglielmetti
Michel Le Baccon
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 FR7615336A priority Critical patent/FR2352321A2/fr
Priority to DK480476A priority patent/DK480476A/da
Priority to DK480576A priority patent/DK480576A/da
Publication of FR2352321A2 publication Critical patent/FR2352321A2/fr
Application granted granted Critical
Publication of FR2352321B2 publication Critical patent/FR2352321B2/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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
FR7615336A 1976-05-21 1976-05-21 Nouvelles compositions photochromes stabilisees et procedes de mise en oeuvre de ces compositions Granted FR2352321A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7615336A FR2352321A2 (fr) 1976-05-21 1976-05-21 Nouvelles compositions photochromes stabilisees et procedes de mise en oeuvre de ces compositions
DK480476A DK480476A (da) 1976-05-21 1976-10-22 Fototermisk registreringsmetode
DK480576A DK480576A (da) 1976-05-21 1976-11-22 Fremgangsmade til opnaelse af direkte reproduktioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7615336A FR2352321A2 (fr) 1976-05-21 1976-05-21 Nouvelles compositions photochromes stabilisees et procedes de mise en oeuvre de ces compositions

Publications (2)

Publication Number Publication Date
FR2352321A2 true FR2352321A2 (fr) 1977-12-16
FR2352321B2 FR2352321B2 (fr) 1983-05-13

Family

ID=9173450

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7615336A Granted FR2352321A2 (fr) 1976-05-21 1976-05-21 Nouvelles compositions photochromes stabilisees et procedes de mise en oeuvre de ces compositions

Country Status (2)

Country Link
DK (2) DK480476A (fr)
FR (1) FR2352321A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6696229B1 (en) 1999-07-08 2004-02-24 Kromotek, Ltd. Dry photographic printing process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6696229B1 (en) 1999-07-08 2004-02-24 Kromotek, Ltd. Dry photographic printing process

Also Published As

Publication number Publication date
DK480476A (da) 1977-11-22
DK480576A (da) 1977-11-22
FR2352321B2 (fr) 1983-05-13

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
CD Change of name or company name
TP Transmission of property