FR349060A - Improvements in the manufacture of colored images or photographic prints and sensitive surfaces for their production - Google Patents

Improvements in the manufacture of colored images or photographic prints and sensitive surfaces for their production

Info

Publication number
FR349060A
FR349060A FR349060A FR349060DA FR349060A FR 349060 A FR349060 A FR 349060A FR 349060 A FR349060 A FR 349060A FR 349060D A FR349060D A FR 349060DA FR 349060 A FR349060 A FR 349060A
Authority
FR
France
Prior art keywords
manufacture
production
sensitive surfaces
colored images
photographic prints
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
FR349060A
Other languages
French (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.)
Hoechst AG
Original Assignee
Farbwerke Hoechst AG
Filing date
Publication date
Application filed by Farbwerke Hoechst AG filed Critical Farbwerke Hoechst AG
Application granted granted Critical
Publication of FR349060A publication Critical patent/FR349060A/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
    • G03C1/72—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
    • G03C1/73—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing organic compounds
    • G03C1/732—Leuco dyes
FR349060A 1904-03-07 Improvements in the manufacture of colored images or photographic prints and sensitive surfaces for their production Expired FR349060A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR349060T

Publications (1)

Publication Number Publication Date
FR349060A true FR349060A (en) 1905-05-10

Family

ID=8892706

Family Applications (1)

Application Number Title Priority Date Filing Date
FR349060A Expired FR349060A (en) 1904-03-07 Improvements in the manufacture of colored images or photographic prints and sensitive surfaces for their production

Country Status (1)

Country Link
FR (1) FR349060A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3275442A (en) * 1961-11-14 1966-09-27 Polacoat Inc Method of irreversibly darkening a bis (p-aminophenyl) vinyl carbonium polymethine leuco dye
EP0290750A2 (en) * 1987-03-19 1988-11-17 Xytronyx, Inc. Systems for the visualization of exposure to ultraviolet radiation and for the utilization of ultraviolet radiation to effect color changes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3275442A (en) * 1961-11-14 1966-09-27 Polacoat Inc Method of irreversibly darkening a bis (p-aminophenyl) vinyl carbonium polymethine leuco dye
EP0290750A2 (en) * 1987-03-19 1988-11-17 Xytronyx, Inc. Systems for the visualization of exposure to ultraviolet radiation and for the utilization of ultraviolet radiation to effect color changes
EP0290750A3 (en) * 1987-03-19 1991-02-27 Xytronyx, Inc. Systems for the visualization of exposure to ultraviolet radiation and for the utilization of ultraviolet radiation to effect color changes

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