CH272285A - Process for producing physically developed contrasts. - Google Patents

Process for producing physically developed contrasts.

Info

Publication number
CH272285A
CH272285A CH272285DA CH272285A CH 272285 A CH272285 A CH 272285A CH 272285D A CH272285D A CH 272285DA CH 272285 A CH272285 A CH 272285A
Authority
CH
Switzerland
Prior art keywords
contrasts
physically developed
producing physically
producing
developed
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 CH272285A publication Critical patent/CH272285A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D17/00—Parachutes
    • B64D17/40—Packs
    • B64D17/52—Opening, e.g. manual

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
CH272285D 1946-01-21 1947-01-20 Process for producing physically developed contrasts. CH272285A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL272285X 1946-01-21

Publications (1)

Publication Number Publication Date
CH272285A true CH272285A (en) 1950-12-15

Family

ID=19781980

Family Applications (1)

Application Number Title Priority Date Filing Date
CH272285D CH272285A (en) 1946-01-21 1947-01-20 Process for producing physically developed contrasts.

Country Status (6)

Country Link
US (1) US2571670A (en)
CH (1) CH272285A (en)
DE (1) DE832543C (en)
FR (1) FR941092A (en)
GB (1) GB678912A (en)
NL (1) NL70689C (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
US2733144A (en) * 1951-03-28 1956-01-31 Method of producing photographic

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2269161A (en) * 1942-01-06 morse
US466534A (en) * 1892-01-05 Island
US1067690A (en) * 1912-08-01 1913-07-15 Kay M Stewart Pump.
US1396770A (en) * 1919-06-14 1921-11-15 Eastman Kodak Co Method and apparatus for making photographic records
BE343949A (en) * 1926-07-09
DE480352C (en) * 1927-01-26 1929-08-08 Ervin Burg Dr Process for accelerating the development processes of photographic and tracing papers by means of gases or vapors
US1861918A (en) * 1928-01-30 1932-06-07 Eastman Kodak Co Process of conditioning photographic films
GB377145A (en) * 1931-04-02 1932-07-21 Ig Farbenindustrie Ag An improvement in producing sound and picture records
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
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
US2196110A (en) * 1937-06-14 1940-04-02 Ig Farbenindustrie Ag Process of producing sound films
NL53832C (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
GB678912A (en) 1952-09-10
DE832543C (en) 1952-02-25
FR941092A (en) 1948-12-31
NL70689C (en)
US2571670A (en) 1951-10-16

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