NL56774C - - Google Patents
Info
- Publication number
- NL56774C NL56774C NL56774DA NL56774C NL 56774 C NL56774 C NL 56774C NL 56774D A NL56774D A NL 56774DA NL 56774 C NL56774 C NL 56774C
- Authority
- NL
- Netherlands
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
- G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
- G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
- G03C7/32—Colour coupling substances
- G03C7/327—Macromolecular coupling substances
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEI0064551 | 1939-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL56774C true NL56774C (es) |
Family
ID=7196149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL56774D NL56774C (es) | 1939-05-09 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2320422A (es) |
| BE (1) | BE438883A (es) |
| CH (1) | CH225573A (es) |
| FR (1) | FR870795A (es) |
| NL (1) | NL56774C (es) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2476987A (en) * | 1949-07-26 | S-acyloxy pyrazqles and method foe | ||
| US2415382A (en) * | 1944-03-31 | 1947-02-04 | Du Pont | Photographic elements including hydrophilic color formers |
| US2423460A (en) * | 1944-03-31 | 1947-07-08 | Du Pont | Photographic elements containing polyamide dye intermediate layers |
| US2415381A (en) * | 1944-03-31 | 1947-02-04 | Du Pont | Hydrophilic colloid color formers and photographic elements containing the same |
| US2422680A (en) * | 1944-06-01 | 1947-06-24 | Du Pont | Process for preparing hydrophilic color-former silver halide dispersions |
| US2576820A (en) * | 1944-11-03 | 1951-11-27 | Gen Aniline & Film Corp | Reversible gel composition comprising polyvinyl alcohol and method of preparation |
| US2481476A (en) * | 1945-03-02 | 1949-09-06 | Du Pont | Color yielding photographic elements |
| US2576850A (en) * | 1945-04-26 | 1951-11-27 | Du Pont | Gelling of polymeric compounds |
| US2567750A (en) * | 1945-10-25 | 1951-09-11 | Du Pont | Light sensitive elements for color photography |
| US2476988A (en) * | 1946-07-08 | 1949-07-26 | Du Pont | 5-acyloxypyrazole amidoacetals |
| US2551133A (en) * | 1946-08-29 | 1951-05-01 | Du Pont | Photographic light-sensitive diazo element |
| US2577041A (en) * | 1948-04-10 | 1951-12-04 | Ind Res Inst Of The University | Reaction products of (a) copolymers of maleic anhydride and monovinyl compounds and (b) chlorophenols or nitrophenols |
| US2680730A (en) * | 1950-07-05 | 1954-06-08 | Du Pont | Acetals of polyhydric alcohols |
| US2680731A (en) * | 1950-07-05 | 1954-06-08 | Du Pont | Acetals containing a cyanoacetyl group |
| US2680732A (en) * | 1950-10-31 | 1954-06-08 | Du Pont | Acetals containing a cyanoacetyl group |
| US2739059A (en) * | 1952-08-12 | 1956-03-20 | Eastman Kodak Co | Modification of hydroxyl containing polyvinyl resin treated with an amino acetal as a silver halide binder |
-
0
- BE BE438883D patent/BE438883A/xx unknown
- NL NL56774D patent/NL56774C/xx active
-
1940
- 1940-05-07 US US333813A patent/US2320422A/en not_active Expired - Lifetime
- 1940-05-07 CH CH225573D patent/CH225573A/de unknown
-
1941
- 1941-03-13 FR FR870795D patent/FR870795A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH225573A (de) | 1943-02-15 |
| FR870795A (fr) | 1942-03-24 |
| US2320422A (en) | 1943-06-01 |
| BE438883A (es) |