NL56774C - - Google Patents

Info

Publication number: NL56774C
Authority: NL; Netherlands

Application number

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.)

1939-05-09

Publication of NL56774C publication Critical patent/NL56774C/xx

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)

NL56774D 1939-05-09 NL56774C (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DEI0064551		1939-05-09

Publications (1)

Publication Number	Publication Date
NL56774C true NL56774C (xx)

Family

ID=7196149

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL56774D NL56774C (xx)	1939-05-09

Country Status (5)

Country	Link
US (1)	US2320422A (xx)
BE (1)	BE438883A (xx)
CH (1)	CH225573A (xx)
FR (1)	FR870795A (xx)
NL (1)	NL56774C (xx)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2476987A (en) *		1949-07-26		S-acyloxy pyrazqles and method foe
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
US2415382A (en) *	1944-03-31	1947-02-04	Du Pont	Photographic elements including hydrophilic color formers
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
- NL NL56774D patent/NL56774C/xx active
- BE BE438883D patent/BE438883A/xx unknown
1940
- 1940-05-07 CH CH225573D patent/CH225573A/de unknown
- 1940-05-07 US US333813A patent/US2320422A/en not_active Expired - Lifetime
1941
- 1941-03-13 FR FR870795D patent/FR870795A/fr not_active Expired

Also Published As

Publication number	Publication date
FR870795A (fr)	1942-03-24
CH225573A (de)	1943-02-15
BE438883A (xx)
US2320422A (en)	1943-06-01

Publication	Publication Date	Title
FR849585A (xx)	1939-11-27
FR848353A (xx)	1939-10-27
FR847010A (xx)	1939-10-02
FR961088A (xx)	1950-05-03
FR49836E (xx)	1939-08-08
BE434444A (xx)
NL56774C (xx)
NL96218C (xx)
BE474581A (xx)
BE464056A (xx)
BE439567A (xx)
BE437523A (xx)
BE436027A (xx)
BE436022A (xx)
BE436021A (xx)
BE436007A (xx)	1939-09-30
BE435988A (xx)	1939-09-30
BE435911A (xx)
BE435823A (xx)
BE435757A (xx)
BE435664A (xx)	1939-08-31
BE435654A (xx)
BE435601A (xx)
BE435474A (xx)
BE435413A (xx)