GB641405A - Photographic developer containing a negatively substituted aralkylamine and process of development - Google Patents

Photographic developer containing a negatively substituted aralkylamine and process of development

Info

Publication number
GB641405A
GB641405A GB22075/48A GB2207548A GB641405A GB 641405 A GB641405 A GB 641405A GB 22075/48 A GB22075/48 A GB 22075/48A GB 2207548 A GB2207548 A GB 2207548A GB 641405 A GB641405 A GB 641405A
Authority
GB
United Kingdom
Prior art keywords
development
developer containing
photographic developer
negatively substituted
substituted aralkylamine
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
GB22075/48A
Other languages
English (en)
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.)
GAF Chemicals Corp
Original Assignee
General Aniline and Film Corp
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 General Aniline and Film Corp filed Critical General Aniline and Film Corp
Publication of GB641405A publication Critical patent/GB641405A/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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/29—Development processes or agents therefor
    • G03C5/305—Additives other than developers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
GB22075/48A 1947-11-18 1948-08-21 Photographic developer containing a negatively substituted aralkylamine and process of development Expired GB641405A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US786816A US2496903A (en) 1947-11-18 1947-11-18 Photographic developer containing a negatively substituted aralkylamine and process of development

Publications (1)

Publication Number Publication Date
GB641405A true GB641405A (en) 1950-08-09

Family

ID=25139663

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22075/48A Expired GB641405A (en) 1947-11-18 1948-08-21 Photographic developer containing a negatively substituted aralkylamine and process of development

Country Status (5)

Country Link
US (1) US2496903A (fr)
BE (1) BE485786A (fr)
DE (1) DE848911C (fr)
FR (1) FR973438A (fr)
GB (1) GB641405A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2605183A (en) * 1949-11-16 1952-07-29 Gen Aniline & Film Corp Heterocyclic alkylamines as accelerators for photographic developers
DE1106444B (de) * 1955-03-30 1961-05-10 California Research Corp Verfahren zur Veredelung einer Erdoelfraktion mit verhaeltnismaessig niedrigem Stickstoffgehalt
US4189319A (en) * 1975-07-18 1980-02-19 Gaf Corporation Arginine or salt thereof as a development accelerator of color development of color photographic materials
AU590563B2 (en) 1985-05-16 1989-11-09 Konishiroku Photo Industry Co., Ltd. Method for color-developing a silver halide color photographic light-sensitive material
DE3681347D1 (de) 1985-05-31 1991-10-17 Konishiroku Photo Ind Verfahren zur herstellung eines direkt positiven farbbildes.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2410644A (en) * 1943-09-02 1946-11-05 Eastman Kodak Co Development of photographic emulsions

Also Published As

Publication number Publication date
BE485786A (fr)
FR973438A (fr) 1951-02-09
US2496903A (en) 1950-02-07
DE848911C (de) 1952-09-08

Similar Documents

Publication Publication Date Title
GB645825A (en) Photographic vesicular images and process of making same
GB647617A (en) Diazotype photoprinting materials
GB641405A (en) Photographic developer containing a negatively substituted aralkylamine and process of development
GB646376A (en) Photographic developer
FR968132A (fr) Révélateurs photographiques
GB643375A (en) Diazotype photographic material
GB643063A (en) Diazotype photoprinting materials
GB643309A (en) Improved developer for the positive photographic diazotype-process
FR966219A (fr) Matériels diazotypes sensibilisés
CA468943A (fr) Revelateurs photographiques contenant un aralkylamine et procedes de developpement
CA472650A (fr) Revelateurs photographiques contenant un aralkylamine negativement substitue et procedes de developpement
GB643042A (en) Method of producing diazotype images and improved diazotype materials therefor
GB640136A (en) Improved first developer for multi-layer color film of the reserval type
GB646543A (en) Azo coupling components for diazotype photoprinting materials
AU141232B2 (en) Rapid photographic developer
AU1664947A (en) Rapid photographic developer
AU141927B2 (en) Developer forthe positive diazotype process
CA439013A (fr) Revelateur photographique a poudre unique
AU136258B2 (en) Improved process of making photographic enlargements and enlargements thus obtained
GB647620A (en) Sensitizing composition for diazotype photoprinting materials
AU2184948A (en) Developer forthe positive diazotype process
FR970565A (fr) Procédé de photographie en couleur
AU1246647A (en) Improved process of making photographic enlargements and enlargements thus obtained
AU138054B2 (en) Improved apparatus for photographic developing purposes
GB643411A (en) Improvements in or relating to photographic developers