GB2110831B - Direct positive photographic elements - Google Patents

Direct positive photographic elements

Info

Publication number: GB2110831B
Authority: GB; United Kingdom
Prior art keywords: photographic elements; direct positive; positive photographic; direct; elements
Prior art date: 1981-11-12
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

GB08232305A

Other versions

GB2110831A (en

Inventor

Richard Lee Daubendiek

Francis John Evans

Ronald George Raleigh

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.)

1981-11-12

Filing date

1982-11-12

Publication date

1985-08-21

1982-11-12 Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co

1983-06-22 Publication of GB2110831A publication Critical patent/GB2110831A/en

1985-08-21 Application granted granted Critical

1985-08-21 Publication of GB2110831B publication Critical patent/GB2110831B/en

Status 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
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/485—Direct positive emulsions
- G03C1/48538—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure
- G03C1/48569—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure characterised by the emulsion type/grain forms, e.g. tabular grain emulsions

GB08232305A 1981-11-12 1982-11-12 Direct positive photographic elements Expired GB2110831B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US32089181A	1981-11-12	1981-11-12
US43191282A	1982-09-30	1982-09-30

Publications (2)

Publication Number	Publication Date
GB2110831A GB2110831A (en)	1983-06-22
GB2110831B true GB2110831B (en)	1985-08-21

Family

ID=26982707

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08232305A Expired GB2110831B (en)	1981-11-12	1982-11-12	Direct positive photographic elements

Country Status (11)

Country	Link
AU (1)	AU560223B2 (en)
BR (1)	BR8206564A (en)
CA (1)	CA1175692A (en)
CH (1)	CH653150A5 (en)
DE (1)	DE3241643C2 (en)
FR (1)	FR2516262B1 (en)
GB (1)	GB2110831B (en)
IE (1)	IE54328B1 (en)
IT (1)	IT1156334B (en)
NL (1)	NL190672C (en)
SE (1)	SE451040B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4444874A (en) *	1982-09-15	1984-04-24	Eastman Kodak Company	Photographic elements containing direct-positive emulsions and processes for their use
JPS60173541A (en) *	1984-02-20	1985-09-06	Fuji Photo Film Co Ltd	Photo sensitive material comprising silver halide for direct positive
US4520098A (en) *	1984-05-31	1985-05-28	Eastman Kodak Company	Photographic element exhibiting reduced sensitizing dye stain
CA1259845A (en) *	1985-02-04	1989-09-26	Allan F. Sowinski	Reversal photographic elements containing tabular grain emulsions
JPH0610756B2 (en) *	1985-07-17	1994-02-09	富士写真フイルム株式会社	Silver halide color-reversal photographic material
JPH0619570B2 (en) *	1986-02-07	1994-03-16	富士写真フイルム株式会社	Photosensitive material
EP0244356A3 (en) *	1986-04-25	1988-04-27	Ilford Ag	Method for preparing photographic direct-positive emulsions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1507989A (en) *	1974-12-19	1978-04-19	Ciba Geigy Ag	Photographic emulsions
GB1520976A (en) *	1976-06-10	1978-08-09	Ciba Geigy Ag	Photographic emulsions
GB1570581A (en) *	1978-05-25	1980-07-02	Ciba Geigy Ag	Preparation of silver halide emulsions
DE2905655C2 (en) *	1977-06-08	1995-03-30	Ilford Ltd	A process for the preparation of photographic silver halide emulsions containing twin-type silver halide crystals

1982
- 1982-11-09 FR FR8218747A patent/FR2516262B1/en not_active Expired
- 1982-11-09 CH CH6524/82A patent/CH653150A5/en not_active IP Right Cessation
- 1982-11-10 CA CA000415270A patent/CA1175692A/en not_active Expired
- 1982-11-11 AU AU90380/82A patent/AU560223B2/en not_active Ceased
- 1982-11-11 DE DE3241643A patent/DE3241643C2/en not_active Expired - Fee Related
- 1982-11-11 BR BR8206564A patent/BR8206564A/en not_active IP Right Cessation
- 1982-11-12 SE SE8206450A patent/SE451040B/en not_active IP Right Cessation
- 1982-11-12 NL NL8204398A patent/NL190672C/en not_active IP Right Cessation
- 1982-11-12 IE IE2702/82A patent/IE54328B1/en not_active IP Right Cessation
- 1982-11-12 GB GB08232305A patent/GB2110831B/en not_active Expired
- 1982-11-12 IT IT24240/82A patent/IT1156334B/en active

Also Published As

Publication number	Publication date
NL8204398A (en)	1983-06-01
NL190672C (en)	1994-06-16
FR2516262A1 (en)	1983-05-13
DE3241643A1 (en)	1983-05-19
CH653150A5 (en)	1985-12-13
IT1156334B (en)	1987-02-04
AU9038082A (en)	1983-05-19
IE822702L (en)	1983-05-12
SE8206450L (en)	1983-05-13
CA1175692A (en)	1984-10-09
GB2110831A (en)	1983-06-22
IT8224240A0 (en)	1982-11-12
FR2516262B1 (en)	1987-02-20
AU560223B2 (en)	1987-04-02
IE54328B1 (en)	1989-08-30
NL190672B (en)	1994-01-17
SE8206450D0 (en)	1982-11-12
DE3241643C2 (en)	1997-04-17
BR8206564A (en)	1983-09-27
SE451040B (en)	1987-08-24

Legal Events

Date	Code	Title	Description
1997-07-02	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19961112

Publication	Publication Date	Title
GB2110830B (en)	1985-10-02	Photographic elements
GB8308248D0 (en)	1983-05-05	Cameras
GB2102186B (en)	1985-02-27	Disc-accommodating case
GB2149929B (en)	1985-12-04	Autorewind self-treading camera
GB8515138D0 (en)	1985-07-17	Photographic cameras
GB2110116B (en)	1985-08-14	Photographic support
JPS57155533A (en)	1982-09-25	Photosensitive element
JPS57158638A (en)	1982-09-30	Photographic element
GB2100451B (en)	1985-07-03	Photographic printing
GB2109704B (en)	1986-01-02	Photographic support
JPS57136648A (en)	1982-08-23	Photosensitive element
GB2107610B (en)	1985-02-20	Photographic support
GB2109947B (en)	1985-04-17	Electrophotographic elements
GB2110831B (en)	1985-08-21	Direct positive photographic elements
DE3590504D2 (en)	1987-05-14	Photographic camera
GB8520098D0 (en)	1985-09-18	Photographic cameras
EP0149035A3 (en)	1987-09-23	Photographic roll-printer
DE3271213D1 (en)	1986-06-19	Copying camera
GB2104672B (en)	1984-10-10	Instant camera
JPS57145392A (en)	1982-09-08	Photosensitive element
GB8325458D0 (en)	1983-10-26	Photographic transfers
GB2100455B (en)	1984-09-26	Instant camera
GB8520099D0 (en)	1985-09-18	Photographic cameras
JPS5764714A (en)	1982-04-20	Single lens
JPS57202601A (en)	1982-12-11	Projector