FR1423690A - Ultraviolet absorber filters - Google Patents

Ultraviolet absorber filters

Info

Publication number
FR1423690A
FR1423690A FR983753A FR983753A FR1423690A FR 1423690 A FR1423690 A FR 1423690A FR 983753 A FR983753 A FR 983753A FR 983753 A FR983753 A FR 983753A FR 1423690 A FR1423690 A FR 1423690A
Authority
FR
France
Prior art keywords
ultraviolet absorber
absorber filters
filters
ultraviolet
absorber
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
FR983753A
Other languages
French (fr)
Inventor
Fritz Nittel
Heinz Meckl
Walter Pueschel
Hans Ulrich
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.)
Agfa Gevaert NV
Original Assignee
Agfa AG
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
Priority claimed from DEA43729A external-priority patent/DE1182066B/en
Application filed by Agfa AG filed Critical Agfa AG
Priority to FR983753A priority Critical patent/FR1423690A/en
Application granted granted Critical
Publication of FR1423690A publication Critical patent/FR1423690A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C251/00Compounds containing nitrogen atoms doubly-bound to a carbon skeleton
    • C07C251/72Hydrazones
    • C07C251/88Hydrazones having also the other nitrogen atom doubly-bound to a carbon atom, e.g. azines
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/70Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form
    • C07C45/71Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form being hydroxy groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00Compounds having —CHO groups
    • C07C47/52Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings
    • C07C47/575Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings containing ether groups, groups, groups, or groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/76Ketones containing a keto group bound to a six-membered aromatic ring
    • C07C49/84Ketones containing a keto group bound to a six-membered aromatic ring containing ether groups, groups, groups, or groups
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/76Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/815Photosensitive materials characterised by the base or auxiliary layers characterised by means for filtering or absorbing ultraviolet light, e.g. optical bleaching
    • G03C1/8155Organic compounds therefor
FR983753A 1963-07-31 1964-07-31 Ultraviolet absorber filters Expired FR1423690A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR983753A FR1423690A (en) 1963-07-31 1964-07-31 Ultraviolet absorber filters

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEA43729A DE1182066B (en) 1963-07-31 1963-07-31 Ultraviolet light absorbing filter, particularly in color photographic materials
FR983753A FR1423690A (en) 1963-07-31 1964-07-31 Ultraviolet absorber filters

Publications (1)

Publication Number Publication Date
FR1423690A true FR1423690A (en) 1966-01-07

Family

ID=25963941

Family Applications (1)

Application Number Title Priority Date Filing Date
FR983753A Expired FR1423690A (en) 1963-07-31 1964-07-31 Ultraviolet absorber filters

Country Status (1)

Country Link
FR (1) FR1423690A (en)

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