CH263994A - Process for producing contrasting photographic materials. - Google Patents

Process for producing contrasting photographic materials.

Info

Publication number
CH263994A
CH263994A CH263994DA CH263994A CH 263994 A CH263994 A CH 263994A CH 263994D A CH263994D A CH 263994DA CH 263994 A CH263994 A CH 263994A
Authority
CH
Switzerland
Prior art keywords
photographic materials
contrasting
producing
producing contrasting
photographic
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips 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 Philips Nv filed Critical Philips Nv
Publication of CH263994A publication Critical patent/CH263994A/en

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
    • G03C1/00—Photosensitive materials
    • G03C1/52—Compositions containing diazo compounds as photosensitive substances
    • G03C1/62—Metal compounds reducible to metal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
CH263994D 1946-01-18 1947-01-16 Process for producing contrasting photographic materials. CH263994A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL123018 1946-01-18

Publications (1)

Publication Number Publication Date
CH263994A true CH263994A (en) 1949-09-30

Family

ID=19750393

Family Applications (1)

Application Number Title Priority Date Filing Date
CH263994D CH263994A (en) 1946-01-18 1947-01-16 Process for producing contrasting photographic materials.

Country Status (7)

Country Link
US (1) US2571671A (en)
BE (1) BE470580A (en)
CH (1) CH263994A (en)
DE (1) DE854886C (en)
FR (1) FR941053A (en)
GB (1) GB678911A (en)
NL (1) NL66149C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE506160A (en) * 1950-10-03
NL78902C (en) * 1951-03-28

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US466534A (en) * 1892-01-05 Island
US1396770A (en) * 1919-06-14 1921-11-15 Eastman Kodak Co Method and apparatus for making photographic records
BE343949A (en) * 1926-07-09
US1904449A (en) * 1927-05-20 1933-04-18 Gen Electric Sound record film and film printing apparatus
US1861918A (en) * 1928-01-30 1932-06-07 Eastman Kodak Co Process of conditioning photographic films
US1880496A (en) * 1929-06-14 1932-10-04 Eastman Kodak Co Photographic film for sound and picture purposes
BE407603A (en) * 1930-02-05
FR735718A (en) * 1931-07-21 1932-11-14 Process for preparing and fixing photographic layers obtained with dazosulphonates
FR741172A (en) * 1931-11-09 1933-02-08
US2062304A (en) * 1931-11-19 1936-12-01 Gaspar Bela Process for the production of a colored sound film
US1997507A (en) * 1932-03-09 1935-04-09 Vladimir C Akintievsky Process of photo-printing
BE407017A (en) * 1933-12-27
GB503092A (en) * 1937-05-27 1939-03-26 Eastman Kodak Co Improved process of treating sensitive photographic film
BE429591A (en) * 1937-08-09
US2252006A (en) * 1938-01-08 1941-08-12 Hartford Nat Bank & Trust Co Sound-picture film and method of printing the same
FR853868A (en) * 1938-11-19 1940-03-30 Method for obtaining reproduction of images by means of disazo compounds

Also Published As

Publication number Publication date
DE854886C (en) 1952-11-06
NL66149C (en)
GB678911A (en) 1952-09-10
FR941053A (en) 1948-12-31
US2571671A (en) 1951-10-16
BE470580A (en)

Similar Documents

Publication Publication Date Title
CH271389A (en) Process for the production of masks in color photographic materials.
CH260311A (en) Process for making soap.
CH263994A (en) Process for producing contrasting photographic materials.
CH258014A (en) Process for making artificial films.
CH275797A (en) Process for the production of nitropolystyrene.
AT167428B (en) Process for the preparation of pentaenes
CH262289A (en) Process for the production of artificial structures.
CH264319A (en) Process for making photographic images.
CH279636A (en) Process for making soap.
CH272285A (en) Process for producing physically developed contrasts.
AT162374B (en) Process for the production of artificial sponges
AT163185B (en) Process for the production of hexachlorocyclohexane
AT162396B (en) Process for making soymilk
AT170272B (en) Process for making photographic enlargements
CH267709A (en) Process for producing color photographs.
CH263987A (en) Process for the production of colored artificial compositions.
CH253395A (en) Process for the production of components.
AT162386B (en) Process for the production of thioplasts
CH267853A (en) Process for the preparation of N1-methyl-N1-isopropyldicyandiamide.
CH262165A (en) Process for the preparation of symmetrical pentachloroisopropylbenzene.
CH260152A (en) Process for the manufacture of abrasives.
AT172609B (en) Process for the preparation of sulfanilylaminothiazoles
CH260042A (en) Process for the production of cement.
CH246272A (en) Process for the production of gravure prints.
CH262288A (en) Process for the production of moldings.