CA1146001A - Emulsions photographiques a haut contraste contenant un derive de phenylhydrazine - Google Patents

Emulsions photographiques a haut contraste contenant un derive de phenylhydrazine

Info

Publication number
CA1146001A
CA1146001A CA000317278A CA317278A CA1146001A CA 1146001 A CA1146001 A CA 1146001A CA 000317278 A CA000317278 A CA 000317278A CA 317278 A CA317278 A CA 317278A CA 1146001 A CA1146001 A CA 1146001A
Authority
CA
Canada
Prior art keywords
negative
silver
silver halide
working
photographic emulsion
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
CA000317278A
Other languages
English (en)
Inventor
Harold E. Jordan
Joseph M. Simson
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of CA1146001A publication Critical patent/CA1146001A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Silver Salt Photography Or Processing Solution Therefor (AREA)
CA000317278A 1978-09-22 1978-12-04 Emulsions photographiques a haut contraste contenant un derive de phenylhydrazine Expired CA1146001A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US94494078A 1978-09-22 1978-09-22
US944,940 1978-09-22

Publications (1)

Publication Number Publication Date
CA1146001A true CA1146001A (fr) 1983-05-10

Family

ID=25482330

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000317278A Expired CA1146001A (fr) 1978-09-22 1978-12-04 Emulsions photographiques a haut contraste contenant un derive de phenylhydrazine

Country Status (1)

Country Link
CA (1) CA1146001A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4686167A (en) * 1985-09-26 1987-08-11 Anitec Image Corporation Compositions comprising ethane dioic acid hydrazide compounds and derivatives useful as dot-promoting agents
US4693956A (en) * 1984-11-16 1987-09-15 Minnesota Mining And Manufacturing Company Process for high contrast development of photographic elements
US4997980A (en) * 1985-09-26 1991-03-05 Anitec Image Corporation Ethanedioic acid hydrazide compounds suitable for use in high contrast photographic emulsions

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4693956A (en) * 1984-11-16 1987-09-15 Minnesota Mining And Manufacturing Company Process for high contrast development of photographic elements
US4686167A (en) * 1985-09-26 1987-08-11 Anitec Image Corporation Compositions comprising ethane dioic acid hydrazide compounds and derivatives useful as dot-promoting agents
US4997980A (en) * 1985-09-26 1991-03-05 Anitec Image Corporation Ethanedioic acid hydrazide compounds suitable for use in high contrast photographic emulsions

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Legal Events

Date Code Title Description
MKEX Expiry