GB391677A - Manufacture of photographic pictures - Google Patents

Manufacture of photographic pictures

Info

Publication number
GB391677A
GB391677A GB2628832A GB2628832A GB391677A GB 391677 A GB391677 A GB 391677A GB 2628832 A GB2628832 A GB 2628832A GB 2628832 A GB2628832 A GB 2628832A GB 391677 A GB391677 A GB 391677A
Authority
GB
United Kingdom
Prior art keywords
diazo
amino
chlorbenzenesulphonate
diethylaminobenzene
chlorbenzene
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
GB2628832A
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.)
Kalle AG
Original Assignee
Kalle AG
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 DEK0122203 priority Critical
Application filed by Kalle AG filed Critical Kalle AG
Publication of GB391677A publication Critical patent/GB391677A/en
Application status is Expired legal-status Critical

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

Abstract

391,677. Photography. KALLE & CO. AKT.-GES., 23, Rheinstrasse, Biebrich-on- Rhine, Weisbaden, Germany. Sept. 21, 1932, No. 26288. Convention date, Sept. 21, 1931. [Class 98 (ii).] Photographic pictures are obtained by applying diazo-compounds together with silver salts to a base, exposing to light under a negative, and treating with alkaline substances and then with fixing agents. Tones varying from brown to black are obtained. Other light-sensitive salts, e.g. ferric ammonium citrate, may be added. Amino-diazo compounds of the benzene or naphthalene series and soluble silver salts are most suitable. Soda, borax and sodium acetate are suitable alkaline substances. Examples are given involving the use of silver nitrate with (1) the chlorbenzenesulphonate of diazotized 1-amino-4-diethylaminobenzene- 2-carboxylic acid, (2) 4-diazophenylamine sulphate, (3) chlorbenzene sulphonate of diazotized p-phenylene diamine, (4) chlorbenzene sulphonate of diazo p-aminophenol, and (5) diazo o-amino-dimethylaminoaniline ; and the use of silver nitrate and ferric ammonium citrate with chlorbenzenesulphonate of 1-diazo- 4-diethylaminobenzene-2-carboxylic acid.
GB2628832A 1931-09-21 1932-09-21 Manufacture of photographic pictures Expired GB391677A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEK0122203 1931-09-21

Publications (1)

Publication Number Publication Date
GB391677A true GB391677A (en) 1933-05-04

Family

ID=7245047

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2628832A Expired GB391677A (en) 1931-09-21 1932-09-21 Manufacture of photographic pictures

Country Status (3)

Country Link
US (1) US2066918A (en)
FR (1) FR744706A (en)
GB (1) GB391677A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL76649C (en) * 1949-04-09
US2929709A (en) * 1951-07-10 1960-03-22 Philips Corp Photographic process
BE504812A (en) * 1950-07-25
NL82334C (en) * 1951-03-20
US2741558A (en) * 1952-03-11 1956-04-10 Grinten Chem L V D Process for the manufacture of diazotype copies
BE550379A (en) * 1954-06-30
BE545042A (en) * 1955-02-11
US3409438A (en) * 1963-08-26 1968-11-05 Minnesota Mining & Mfg Photosensitive heat developable copysheet
US4066456A (en) * 1974-12-10 1978-01-03 Gaf Corporation Incorporated carboxy substituted p-phenylenediamine color developer

Also Published As

Publication number Publication date
US2066918A (en) 1937-01-05
FR744706A (en) 1933-04-26

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