FR1303676A - Direct positive photographic process - Google Patents
Direct positive photographic processInfo
- Publication number
- FR1303676A FR1303676A FR871169A FR871169A FR1303676A FR 1303676 A FR1303676 A FR 1303676A FR 871169 A FR871169 A FR 871169A FR 871169 A FR871169 A FR 871169A FR 1303676 A FR1303676 A FR 1303676A
- Authority
- FR
- France
- Prior art keywords
- photographic process
- direct positive
- positive photographic
- direct
- positive
- 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
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
- C09B23/0075—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain being part of an heterocyclic ring
-
- 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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR871169A FR1303676A (en) | 1960-08-19 | 1961-08-18 | Direct positive photographic process |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US50696A US3102027A (en) | 1960-08-19 | 1960-08-19 | Direct positive dye bleach process and merocyanine composition therefor |
FR871169A FR1303676A (en) | 1960-08-19 | 1961-08-18 | Direct positive photographic process |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1303676A true FR1303676A (en) | 1962-09-14 |
Family
ID=26191942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR871169A Expired FR1303676A (en) | 1960-08-19 | 1961-08-18 | Direct positive photographic process |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1303676A (en) |
-
1961
- 1961-08-18 FR FR871169A patent/FR1303676A/en not_active Expired
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