FR674434A - Improvements in the preparation of diazotypes - Google Patents

Improvements in the preparation of diazotypes

Info

Publication number
FR674434A
FR674434A FR674434DA FR674434A FR 674434 A FR674434 A FR 674434A FR 674434D A FR674434D A FR 674434DA FR 674434 A FR674434 A FR 674434A
Authority
FR
France
Prior art keywords
diazotypes
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
Application number
Other languages
French (fr)
Inventor
Frans Van Der Grinten
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
Priority to NL332552X priority Critical
Application filed filed Critical
Application granted granted Critical
Publication of FR674434A publication Critical patent/FR674434A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/18Diazo-type processes, e.g. thermal development, or agents therefor
FR674434D 1929-02-22 1929-05-01 Improvements in the preparation of diazotypes Expired FR674434A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL332552X 1929-02-22

Publications (1)

Publication Number Publication Date
FR674434A true FR674434A (en) 1930-01-28

Family

ID=19784423

Family Applications (1)

Application Number Title Priority Date Filing Date
FR674434D Expired FR674434A (en) 1929-02-22 1929-05-01 Improvements in the preparation of diazotypes

Country Status (4)

Country Link
BE (1) BE360296A (en)
DE (1) DE591969C (en)
FR (1) FR674434A (en)
GB (1) GB332552A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE888804C (en) * 1941-07-01 1953-09-03 Kalle & Co Ag Process to increase the water resistance of diazotypes
FR2313698A1 (en) * 1975-06-06 1976-12-31 Cellophane Sa Diazothermal reproduction method - uses two sheets each covered with a diazo compsn.

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2474700A (en) * 1946-03-27 1949-06-28 Gen Aniline & Film Corp Diazotype sensitized papers having cellulose ether sizing
US2603564A (en) * 1948-09-21 1952-07-15 Gen Aniline & Film Corp Light sensitive diazotype layer containing a white opacifying pigment
NL82334C (en) * 1951-03-20

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE888804C (en) * 1941-07-01 1953-09-03 Kalle & Co Ag Process to increase the water resistance of diazotypes
FR2313698A1 (en) * 1975-06-06 1976-12-31 Cellophane Sa Diazothermal reproduction method - uses two sheets each covered with a diazo compsn.

Also Published As

Publication number Publication date
DE591969C (en) 1934-01-30
BE360296A (en)
GB332552A (en) 1930-07-21

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