US3208991A - Azo dye developers - Google Patents

Azo dye developers Download PDF

Info

Publication number
US3208991A
US3208991A US222702A US22270262A US3208991A US 3208991 A US3208991 A US 3208991A US 222702 A US222702 A US 222702A US 22270262 A US22270262 A US 22270262A US 3208991 A US3208991 A US 3208991A
Authority
US
United States
Prior art keywords
image
dye
group
dimethoxy
silver halide
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 - Lifetime
Application number
US222702A
Other languages
English (en)
Inventor
Elkan R Blout
Howard G Rogers
Myron S Simon
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.)
Polaroid Corp
Original Assignee
Polaroid 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
Priority to GB19820/61A priority Critical patent/GB898707A/en
Priority to GB28756/58A priority patent/GB898706A/en
Priority to DE19581419866 priority patent/DE1419866A1/de
Priority to DEI15383A priority patent/DE1129371B/de
Priority to BE571336A priority patent/BE571336A/xx
Priority to FR774891A priority patent/FR1215651A/fr
Application filed by Polaroid Corp filed Critical Polaroid Corp
Priority to US222702A priority patent/US3208991A/en
Application granted granted Critical
Publication of US3208991A publication Critical patent/US3208991A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B39/00—Other azo dyes prepared by diazotising and coupling
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
    • C09B31/02—Disazo dyes
    • 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
    • G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
    • G03C8/02—Photosensitive materials characterised by the image-forming section
    • G03C8/08—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds
    • G03C8/10—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds of dyes or their precursors
    • G03C8/12—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds of dyes or their precursors characterised by the releasing mechanism
    • G03C8/14—Oxidation of the chromogenic substances
    • G03C8/16—Oxidation of the chromogenic substances initially diffusible in alkaline environment
    • G03C8/18—Dye developers
US222702A 1957-09-20 1962-09-10 Azo dye developers Expired - Lifetime US3208991A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB19820/61A GB898707A (en) 1957-09-20 1958-09-08 Dihydroxyphenylketonic compounds and their use in photography
GB28756/58A GB898706A (en) 1957-09-20 1958-09-08 Azo dyes derived from dihydroxyphenyl ketones and their use in photography
DE19581419866 DE1419866A1 (de) 1957-09-20 1958-09-10 Verfahren zur Herstellung neuartiger Farbstoffentwicklersubstanzen
DEI15383A DE1129371B (de) 1957-09-20 1958-09-10 Photographischer Farbstoffentwickler zur Herstellung farbiger Bilder, insbesondere fuer das Diffusionsuebertragungs-verfahren
BE571336A BE571336A (pt) 1957-09-20 1958-09-19
FR774891A FR1215651A (fr) 1957-09-20 1958-09-19 Produits, procédés et compositions photographiques
US222702A US3208991A (en) 1957-09-20 1962-09-10 Azo dye developers

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US68506657A 1957-09-20 1957-09-20
US68508157A 1957-09-20 1957-09-20
US222702A US3208991A (en) 1957-09-20 1962-09-10 Azo dye developers

Publications (1)

Publication Number Publication Date
US3208991A true US3208991A (en) 1965-09-28

Family

ID=27397130

Family Applications (1)

Application Number Title Priority Date Filing Date
US222702A Expired - Lifetime US3208991A (en) 1957-09-20 1962-09-10 Azo dye developers

Country Status (5)

Country Link
US (1) US3208991A (pt)
BE (1) BE571336A (pt)
DE (2) DE1419866A1 (pt)
FR (1) FR1215651A (pt)
GB (2) GB898706A (pt)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4247455A (en) * 1978-08-02 1981-01-27 Polaroid Corporation Yellow 2:1 azo-azo or azo-azomethine chrome complexed dye developers
US20060116417A1 (en) * 2004-10-25 2006-06-01 Jyun-Hung Chen Thrombopoietin activity modulating compounds and methods
US20070129539A1 (en) * 2004-05-28 2007-06-07 Lin Zhi Thrombopoietin activity modulating compounds and methods

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE554935A (pt) * 1956-02-13 1900-01-01
US2997390A (en) * 1956-09-04 1961-08-22 Polaroid Corp Novel color processes and products
US3009958A (en) * 1957-06-06 1961-11-21 Polaroid Corp Hydroquinonyl derivatives and their synthesis

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE554935A (pt) * 1956-02-13 1900-01-01
US2997390A (en) * 1956-09-04 1961-08-22 Polaroid Corp Novel color processes and products
US3009958A (en) * 1957-06-06 1961-11-21 Polaroid Corp Hydroquinonyl derivatives and their synthesis

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4247455A (en) * 1978-08-02 1981-01-27 Polaroid Corporation Yellow 2:1 azo-azo or azo-azomethine chrome complexed dye developers
US20070129539A1 (en) * 2004-05-28 2007-06-07 Lin Zhi Thrombopoietin activity modulating compounds and methods
US7662804B2 (en) 2004-05-28 2010-02-16 Smithkline Beecham Corp. Thrombopoietin activity modulating compounds and methods
US20060116417A1 (en) * 2004-10-25 2006-06-01 Jyun-Hung Chen Thrombopoietin activity modulating compounds and methods
US7314887B2 (en) 2004-10-25 2008-01-01 Ligand Pharmaceuticals, Inc. Thrombopoietin activity modulating compounds and methods
US20080146594A1 (en) * 2004-10-25 2008-06-19 Ligand Pharmaceutical, Inc. Thrombopoietin activity modulating compounds and methods
US7691895B2 (en) 2004-10-25 2010-04-06 Ligand Pharmaceuticals, Inc. Thrombopoietin activity modulating compounds and methods

Also Published As

Publication number Publication date
DE1129371B (de) 1962-05-10
DE1419866A1 (de) 1968-11-21
BE571336A (pt) 1959-03-19
FR1215651A (fr) 1960-04-20
GB898707A (en) 1962-06-14
GB898706A (en) 1962-06-14

Similar Documents

Publication Publication Date Title
US3134672A (en) Photographic products, compositions and processes employing azo dye developers
US3134764A (en) Azo dyes containing a dihydroxyphenyl silver halide developing radical
US3076808A (en) Anthrapyridone dye developers
US3429872A (en) Azo compounds containing dihydroxyphenyl groups and oxalyl ester groups
US3077402A (en) Photographic color processes, products, and compositions
US3218164A (en) Novel photographic processes, compositions and products
US3309199A (en) Photographic products, compositions and processes utilizing 3-cyano-4-azo-5-pyrazolone dye developers
US3208991A (en) Azo dye developers
US3135604A (en) Photographic processes, compositions, and products utilizing azo dye developers
US3241963A (en) Novel photographic products, processes and compositions
US3236645A (en) Photographic processes, compositions and products
US3222169A (en) Photographic products, compositions and processes employing azo dye developers
US3230085A (en) Photographic products, processes and compositions
US3579334A (en) Dye developers which are non-reversibly spectrally shifted by alkaline hydrolysis in color diffusion transfer processes and elements
US3142565A (en) Photographic products, processes and compositions employing azo dye developers
US3134765A (en) Azo dyes
US3141772A (en) Photographic products, processes and compositions employing azo dye developers
US3183089A (en) Photographic products, compositions and processes employing azo dye developers
US3236643A (en) Photographic processes, compositions and products
US3135734A (en) Azo dye developers
US3230086A (en) Novel photographic processes, compositions and products
US3134762A (en) Azo dyes
US3245790A (en) Novel photographic products, processes and compositions
US3299041A (en) Ortho- and para-dihydroxyphenyl substituted monoazo dyes
US3218312A (en) Hydroquinonylsulfonyl azo dye developers