GB644493A - Improvements relating to the production of diazotype photo printing materials - Google Patents

Improvements relating to the production of diazotype photo printing materials

Info

Publication number
GB644493A
GB644493A GB780/48A GB78048A GB644493A GB 644493 A GB644493 A GB 644493A GB 780/48 A GB780/48 A GB 780/48A GB 78048 A GB78048 A GB 78048A GB 644493 A GB644493 A GB 644493A
Authority
GB
United Kingdom
Prior art keywords
production
improvements relating
printing materials
photo printing
diazotype
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
GB780/48A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hall Harding Ltd
Original Assignee
Hall Harding Ltd
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 Hall Harding Ltd filed Critical Hall Harding Ltd
Publication of GB644493A publication Critical patent/GB644493A/en
Expired legal-status Critical Current

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
GB780/48A 1948-01-09 1948-01-09 Improvements relating to the production of diazotype photo printing materials Expired GB644493A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB277685X 1948-01-09
GB221248X 1948-12-22

Publications (1)

Publication Number Publication Date
GB644493A true GB644493A (en) 1950-10-11

Family

ID=26255744

Family Applications (1)

Application Number Title Priority Date Filing Date
GB780/48A Expired GB644493A (en) 1948-01-09 1948-01-09 Improvements relating to the production of diazotype photo printing materials

Country Status (5)

Country Link
US (1) US2659672A (en)
CH (1) CH277685A (en)
DE (1) DE825203C (en)
FR (1) FR978378A (en)
GB (1) GB644493A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2741558A (en) * 1952-03-11 1956-04-10 Grinten Chem L V D Process for the manufacture of diazotype copies
DE1106171B (en) * 1957-03-16 1961-05-04 Raphael Landau Diazotype material and method of making blueprints

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL171784B (en) * 1952-08-13 Sato Kk LABEL ROLL.
US3052542A (en) * 1958-07-24 1962-09-04 Gen Aniline & Film Corp Intermediate master for use in the diazotype process and a process for producing same
SE335474B (en) * 1963-04-18 1971-05-24 R Landau
US3309200A (en) * 1963-06-03 1967-03-14 Itek Corp Data reproduction process
US3515554A (en) * 1966-07-25 1970-06-02 Philips Corp Diazo type paper and new high speed diazo reproduction process
US4292394A (en) * 1978-11-13 1981-09-29 E. I. Du Pont De Nemours And Company Process for preparing multicolor toned images on a single photosensitive layer
FR2558274A1 (en) * 1984-01-17 1985-07-19 Chemistry Technology Sa Process for the production of positive images on a substrate from a positive transparent plate employing a diazo sensitive surface

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1444469A (en) * 1917-05-31 1923-02-06 Firm Of Kalle & Co Ag Manufacture of light copy paper
US1760780A (en) * 1927-09-06 1930-05-27 Kalle & Co Ag Light-sensitive layers and process of preparing them
FR660575A (en) * 1927-09-19 1929-07-12 Kalle & Co Ag Process for the preparation of light sensitive layers
NL33180C (en) * 1931-01-16
BE401394A (en) * 1933-02-18
US2298444A (en) * 1940-10-15 1942-10-13 Eastman Kodak Co Light sensitive diazotype material
FR955352A (en) * 1943-08-05 1950-01-14

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2741558A (en) * 1952-03-11 1956-04-10 Grinten Chem L V D Process for the manufacture of diazotype copies
DE1106171B (en) * 1957-03-16 1961-05-04 Raphael Landau Diazotype material and method of making blueprints

Also Published As

Publication number Publication date
CH277685A (en) 1951-09-15
DE825203C (en) 1951-12-17
US2659672A (en) 1953-11-17
FR978378A (en) 1951-04-12

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