FR968558A - Process for the preparation of novel cyanine dyes and for sensitizing photographic emulsions by means of these dyes - Google Patents

Process for the preparation of novel cyanine dyes and for sensitizing photographic emulsions by means of these dyes

Info

Publication number
FR968558A
FR968558A FR968558DA FR968558A FR 968558 A FR968558 A FR 968558A FR 968558D A FR968558D A FR 968558DA FR 968558 A FR968558 A FR 968558A
Authority
FR
France
Prior art keywords
dyes
preparation
photographic emulsions
novel cyanine
sensitizing photographic
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
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.)
Gevaert Photo Producten NV
Original Assignee
Gevaert Photo Producten NV
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 Gevaert Photo Producten NV filed Critical Gevaert Photo Producten NV
Application granted granted Critical
Publication of FR968558A publication Critical patent/FR968558A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR968558D 1949-06-25 1948-06-30 Process for the preparation of novel cyanine dyes and for sensitizing photographic emulsions by means of these dyes Expired FR968558A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR59382T 1949-06-25

Publications (1)

Publication Number Publication Date
FR968558A true FR968558A (en) 1950-11-30

Family

ID=8693214

Family Applications (2)

Application Number Title Priority Date Filing Date
FR968558D Expired FR968558A (en) 1949-06-25 1948-06-30 Process for the preparation of novel cyanine dyes and for sensitizing photographic emulsions by means of these dyes
FR59382D Expired FR59382E (en) 1949-06-25 1949-06-25 Process for the preparation of novel cyanine dyes and for sensitizing photographic emulsions by means of these dyes

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR59382D Expired FR59382E (en) 1949-06-25 1949-06-25 Process for the preparation of novel cyanine dyes and for sensitizing photographic emulsions by means of these dyes

Country Status (1)

Country Link
FR (2) FR968558A (en)

Also Published As

Publication number Publication date
FR59382E (en) 1954-05-25

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