EP0730196A3 - Matériau d'enregistrement thermosensible à propriétés stabilisatrices de l'image - Google Patents

Matériau d'enregistrement thermosensible à propriétés stabilisatrices de l'image Download PDF

Info

Publication number: EP0730196A3
Authority: EP; European Patent Office
Prior art keywords: reducing agent; recording material; image; heat; reducing
Prior art date: 1995-03-02
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.): Granted

Application number

EP96200223A

Other languages

German (de)

English (en)

Other versions

EP0730196A2 (fr

EP0730196B1 (fr

Inventor

Luc C/O Agfa-Gevaert N.V. Leenders

Leo C/O Agfa-Gevaert N.V. Oelbrandt

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.)

Agfa Gevaert NV

Original Assignee

Agfa Gevaert NV

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.)

1995-03-02

Filing date

1996-02-01

Publication date

1998-01-21

1996-02-01 Application filed by Agfa Gevaert NV filed Critical Agfa Gevaert NV

1996-02-01 Priority to EP19960200223 priority Critical patent/EP0730196B1/fr

1996-09-04 Publication of EP0730196A2 publication Critical patent/EP0730196A2/fr

1998-01-21 Publication of EP0730196A3 publication Critical patent/EP0730196A3/fr

2000-10-25 Application granted granted Critical

2000-10-25 Publication of EP0730196B1 publication Critical patent/EP0730196B1/fr

2016-02-01 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

239000000463 material Substances 0.000 title abstract 4
238000011105 stabilization Methods 0.000 title abstract 2
239000003638 chemical reducing agent Substances 0.000 abstract 4
GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 abstract 3
229910052709 silver Inorganic materials 0.000 abstract 2
239000004332 silver Substances 0.000 abstract 2
239000011230 binding agent Substances 0.000 abstract 1
230000000415 inactivating effect Effects 0.000 abstract 1
239000007800 oxidant agent Substances 0.000 abstract 1
230000003647 oxidation Effects 0.000 abstract 1
238000007254 oxidation reaction Methods 0.000 abstract 1
230000005855 radiation Effects 0.000 abstract 1
238000009877 rendering Methods 0.000 abstract 1
238000001931 thermography Methods 0.000 abstract 1

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
- G03C1/494—Silver salt compositions other than silver halide emulsions; Photothermographic systems ; Thermographic systems using noble metal compounds
- G03C1/498—Photothermographic systems, e.g. dry silver
- G03C1/4989—Photothermographic systems, e.g. dry silver characterised by a thermal imaging step, with or without exposure to light, e.g. with a thermal head, using a laser

Landscapes

Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
General Physics & Mathematics (AREA)
Heat Sensitive Colour Forming Recording (AREA)
Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)

EP19960200223 1995-03-02 1996-02-01 Matériau d'enregistrement thermosensible à propriétés stabilisatrices de l'image Expired - Lifetime EP0730196B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
EP19960200223 EP0730196B1 (fr)	1995-03-02	1996-02-01	Matériau d'enregistrement thermosensible à propriétés stabilisatrices de l'image

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
EP95200506		1995-03-02
EP95200506		1995-03-02
EP19960200223 EP0730196B1 (fr)	1995-03-02	1996-02-01	Matériau d'enregistrement thermosensible à propriétés stabilisatrices de l'image

Publications (3)

Publication Number	Publication Date
EP0730196A2 EP0730196A2 (fr)	1996-09-04
EP0730196A3 true EP0730196A3 (fr)	1998-01-21
EP0730196B1 EP0730196B1 (fr)	2000-10-25

Family

ID=26139121

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19960200223 Expired - Lifetime EP0730196B1 (fr)	1995-03-02	1996-02-01	Matériau d'enregistrement thermosensible à propriétés stabilisatrices de l'image

Country Status (1)

Country	Link
EP (1)	EP0730196B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0964300B1 (fr) *	1998-06-08	2003-07-09	Agfa-Gevaert	Matériau d'enregistrement thermographique noir et blanc ayant un ton de l'image amélioré
US6211116B1 (en)	1998-06-08	2001-04-03	Agfa-Gevaert	Substantially light-insensitive black and white thermographic recording material with improved image tone

Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3094417A (en) *	1961-01-03	1963-06-18	Minnesota Mining & Mfg	Heat sensitive copy sheet, process of making and using
US3094619A (en) *	1961-01-03	1963-06-18	Minnesota Mining & Mfg	Ultra-violet radiation-desensitizable thermographic copy-sheet and method
US3218166A (en) *	1962-11-23	1965-11-16	Minnesota Mining & Mfg	Heat sensitive copy sheet
US3526506A (en) *	1966-06-13	1970-09-01	Minnesota Mining & Mfg	Heat reactive,light desensitizing compositions
DE2010822A1 (de) *	1969-03-10	1970-10-01	Nashua Corp., Nashua, N.H. (V.St.A.)	Kopierpapier
GB1271177A (en) *	1970-05-29	1972-04-19	Du Pont	Hexaarylbiimidazole oxidation systems
FR2168370A1 (fr) *	1972-01-17	1973-08-31	Minnesota Mining & Mfg
JPS5941294A (ja) *	1982-09-01	1984-03-07	Fuji Photo Film Co Ltd	感熱記録方法

1996
- 1996-02-01 EP EP19960200223 patent/EP0730196B1/fr not_active Expired - Lifetime

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3094417A (en) *	1961-01-03	1963-06-18	Minnesota Mining & Mfg	Heat sensitive copy sheet, process of making and using
US3094619A (en) *	1961-01-03	1963-06-18	Minnesota Mining & Mfg	Ultra-violet radiation-desensitizable thermographic copy-sheet and method
US3218166A (en) *	1962-11-23	1965-11-16	Minnesota Mining & Mfg	Heat sensitive copy sheet
US3526506A (en) *	1966-06-13	1970-09-01	Minnesota Mining & Mfg	Heat reactive,light desensitizing compositions
DE2010822A1 (de) *	1969-03-10	1970-10-01	Nashua Corp., Nashua, N.H. (V.St.A.)	Kopierpapier
GB1271177A (en) *	1970-05-29	1972-04-19	Du Pont	Hexaarylbiimidazole oxidation systems
FR2168370A1 (fr) *	1972-01-17	1973-08-31	Minnesota Mining & Mfg
JPS5941294A (ja) *	1982-09-01	1984-03-07	Fuji Photo Film Co Ltd	感熱記録方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 008, no. 143 (M - 306) 4 July 1984 (1984-07-04) *

Also Published As

Publication number	Publication date
EP0730196A2 (fr)	1996-09-04
EP0730196B1 (fr)	2000-10-25

Legal Events

Date	Code	Title	Description
1996-07-19	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1996-09-04	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): BE DE FR GB NL
1997-12-05	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
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1998-09-16	17P	Request for examination filed	Effective date: 19980721
1998-10-28	17Q	First examination report despatched	Effective date: 19980915
2000-01-06	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
2000-02-23	17Q	First examination report despatched	Effective date: 19980915
2000-03-21	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
2000-03-21	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
2000-07-11	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
2000-09-08	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
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2001-01-05	ET	Fr: translation filed
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2001-08-24	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
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