CA486056A - Photographic developers and their preparation and use - Google Patents

Photographic developers and their preparation and use

Info

Publication number
CA486056A
CA486056A CA486056A CA486056DA CA486056A CA 486056 A CA486056 A CA 486056A CA 486056 A CA486056 A CA 486056A CA 486056D A CA486056D A CA 486056DA CA 486056 A CA486056 A CA 486056A
Authority
CA
Canada
Prior art keywords
preparation
photographic developers
developers
photographic
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
CA486056A
Other languages
French (fr)
Inventor
Malcolm Mcqueen David
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
Publication date
Application granted granted Critical
Publication of CA486056A publication Critical patent/CA486056A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00Sulfonic acids; Halides, esters, or anhydrides thereof
    • C07C309/01Sulfonic acids
    • C07C309/02Sulfonic acids having sulfo groups bound to acyclic carbon atoms
    • C07C309/03Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
    • C07C309/13Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
    • C07C309/14Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton containing amino groups bound to the carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
CA486056A Photographic developers and their preparation and use Expired CA486056A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA486056T

Publications (1)

Publication Number Publication Date
CA486056A true CA486056A (en) 1952-08-26

Family

ID=210446

Family Applications (1)

Application Number Title Priority Date Filing Date
CA486056A Expired CA486056A (en) Photographic developers and their preparation and use

Country Status (1)

Country Link
CA (1) CA486056A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3179517A (en) * 1959-08-24 1965-04-20 Eastman Kodak Co Web processing method and composition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3179517A (en) * 1959-08-24 1965-04-20 Eastman Kodak Co Web processing method and composition

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