GB1292358A - Photographic dye-developer transfer process - Google Patents

Photographic dye-developer transfer process

Info

Publication number: GB1292358A
Authority: GB; United Kingdom
Prior art keywords: dye; catechol; developer; aqueous liquid; alkaline aqueous
Prior art date: 1969-02-06
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

GB5770/70A

Other languages

English (en)

Inventor

Paul Harold Stewart

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.)

1969-02-06

Filing date

1970-02-06

Publication date

1972-10-11

1970-02-06 Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co

1972-10-11 Publication of GB1292358A publication Critical patent/GB1292358A/en

Status Expired legal-status Critical Current

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
- 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

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Silver Salt Photography Or Processing Solution Therefor (AREA)

GB5770/70A 1969-02-06 1970-02-06 Photographic dye-developer transfer process Expired GB1292358A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US79728269A	1969-02-06	1969-02-06

Publications (1)

Publication Number	Publication Date
GB1292358A true GB1292358A (en)	1972-10-11

Family

ID=25170395

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB5770/70A Expired GB1292358A (en)	1969-02-06	1970-02-06	Photographic dye-developer transfer process

Country Status (8)

Country	Link
US (1)	US3617277A (fr)
JP (1)	JPS494329B1 (fr)
BE (1)	BE745488A (fr)
CA (1)	CA927170A (fr)
CH (1)	CH523521A (fr)
DE (1)	DE2005300B2 (fr)
FR (1)	FR2033883A5 (fr)
GB (1)	GB1292358A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
USRE29148E (en) *	1972-08-17	1977-03-08	Fuji Photo Film Co., Ltd.	Color photographic diffusion transfer process
JPS506340A (fr) *	1973-05-16	1975-01-23
US4417064A (en) *	1981-01-05	1983-11-22	Polaroid Corporation	Biphenyl compounds and method of preparing same
US4365072A (en) *	1981-10-22	1982-12-21	Polaroid Corporation	Biphenyl aldehydes
US4551411A (en) *	1984-12-28	1985-11-05	Eastman Kodak Company	Sequestrants used in diffusion transfer elements with metallizable dyes
US4559291A (en) *	1984-12-28	1985-12-17	Eastman Kodak Company	Ligands for metallizable dyes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE554934A (fr) *	1956-02-13	1900-01-01
BE627760A (fr) *	1962-01-31
US3262781A (en) *	1962-07-05	1966-07-26	Polaroid Corp	Photographic products
US3477849A (en) *	1964-03-23	1969-11-11	Eastman Kodak Co	Multi-color dye developer systems

1969
- 1969-02-06 US US797282A patent/US3617277A/en not_active Expired - Lifetime
1970
- 1970-01-13 CA CA072004A patent/CA927170A/en not_active Expired
- 1970-01-30 JP JP45007782A patent/JPS494329B1/ja active Pending
- 1970-02-03 FR FR7003691A patent/FR2033883A5/fr not_active Expired
- 1970-02-04 BE BE745488D patent/BE745488A/fr unknown
- 1970-02-05 DE DE19702005300 patent/DE2005300B2/de active Granted
- 1970-02-06 GB GB5770/70A patent/GB1292358A/en not_active Expired
- 1970-02-06 CH CH174070A patent/CH523521A/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
FR2033883A5 (fr)	1970-12-04
JPS494329B1 (fr)	1974-01-31
DE2005300B2 (de)	1973-02-01
US3617277A (en)	1971-11-02
CH523521A (fr)	1972-05-31
BE745488A (fr)	1970-07-16
DE2005300A1 (de)	1970-09-03
CA927170A (en)	1973-05-29

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Legal Events

Date	Code	Title	Description
1973-02-21	PS	Patent sealed [section 19, patents act 1949]
1977-09-01	PLNP	Patent lapsed through nonpayment of renewal fees