FR844236A - Dyes, their preparation process and their applications, in particular to photographic emulsions - Google Patents

Dyes, their preparation process and their applications, in particular to photographic emulsions

Info

Publication number
FR844236A
FR844236A FR844236DA FR844236A FR 844236 A FR844236 A FR 844236A FR 844236D A FR844236D A FR 844236DA FR 844236 A FR844236 A FR 844236A
Authority
FR
France
Prior art keywords
dyes
applications
preparation process
photographic emulsions
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe SA
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 Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR844236A publication Critical patent/FR844236A/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
    • C09B23/10—The polymethine chain containing an even number of >CH- groups
    • C09B23/105—The polymethine chain containing an even number of >CH- groups two >CH- groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR844236D 1937-09-14 1938-09-14 Dyes, their preparation process and their applications, in particular to photographic emulsions Expired FR844236A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US844236XA 1937-09-14 1937-09-14

Publications (1)

Publication Number Publication Date
FR844236A true FR844236A (en) 1939-07-20

Family

ID=22184877

Family Applications (1)

Application Number Title Priority Date Filing Date
FR844236D Expired FR844236A (en) 1937-09-14 1938-09-14 Dyes, their preparation process and their applications, in particular to photographic emulsions

Country Status (1)

Country Link
FR (1) FR844236A (en)

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