EP0144472B2 - Ton als Farbentwicklerzusammensetzung für druckempfindliche Kopierblätter - Google Patents
Ton als Farbentwicklerzusammensetzung für druckempfindliche Kopierblätter Download PDFInfo
- Publication number
- EP0144472B2 EP0144472B2 EP19830307430 EP83307430A EP0144472B2 EP 0144472 B2 EP0144472 B2 EP 0144472B2 EP 19830307430 EP19830307430 EP 19830307430 EP 83307430 A EP83307430 A EP 83307430A EP 0144472 B2 EP0144472 B2 EP 0144472B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- color developer
- acid
- color
- clay mineral
- composition according
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
- B41M5/132—Chemical colour-forming components; Additives or binders therefor
- B41M5/155—Colour-developing components, e.g. acidic compounds; Additives or binders therefor; Layers containing such colour-developing components, additives or binders
- B41M5/1555—Inorganic mineral developers, e.g. clays
Claims (14)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8383307430T DE3378200D1 (en) | 1983-12-06 | 1983-12-06 | Clay mineral-type color developer composition for pressure-sensitive recording sheets |
EP19830307430 EP0144472B2 (de) | 1983-12-06 | 1983-12-06 | Ton als Farbentwicklerzusammensetzung für druckempfindliche Kopierblätter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19830307430 EP0144472B2 (de) | 1983-12-06 | 1983-12-06 | Ton als Farbentwicklerzusammensetzung für druckempfindliche Kopierblätter |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0144472A1 EP0144472A1 (de) | 1985-06-19 |
EP0144472B1 EP0144472B1 (de) | 1988-10-12 |
EP0144472B2 true EP0144472B2 (de) | 1992-06-24 |
Family
ID=8191357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19830307430 Expired EP0144472B2 (de) | 1983-12-06 | 1983-12-06 | Ton als Farbentwicklerzusammensetzung für druckempfindliche Kopierblätter |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0144472B2 (de) |
DE (1) | DE3378200D1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3054153B2 (ja) * | 1989-02-28 | 2000-06-19 | 水澤化学工業株式会社 | 感圧複写紙用顕色剤 |
GB9313790D0 (en) * | 1993-07-03 | 1993-08-18 | Wiggins Teape Group The Ltd | Pressure-sensitive copying material |
DE4327158A1 (de) * | 1993-08-12 | 1995-02-16 | Sued Chemie Ag | Verfahren zur Herstellung von neutralen bis alkalischen Farbentwicklerpigmenten |
GB9414637D0 (en) | 1994-07-20 | 1994-09-07 | Wiggins Teape Group The Limite | Presure-sensitive copying material |
EP1982440B1 (de) * | 2006-01-27 | 2013-05-08 | QUALCOMM Incorporated | Messung der verstärkung eines repeaters in offener schleife |
CN101417563B (zh) * | 2008-10-21 | 2010-09-22 | 莫文生 | 一种环保型无碳复写纸显色剂的生产方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5637189A (en) * | 1979-09-05 | 1981-04-10 | Oji Paper Co Ltd | Tinting paper for pressure sensitive recording |
JPS5715996A (en) * | 1980-07-03 | 1982-01-27 | Mizusawa Ind Chem Ltd | Novel clay mineral based color former for heat-sensitive copying paper and production thereof |
-
1983
- 1983-12-06 EP EP19830307430 patent/EP0144472B2/de not_active Expired
- 1983-12-06 DE DE8383307430T patent/DE3378200D1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3378200D1 (en) | 1988-11-17 |
EP0144472A1 (de) | 1985-06-19 |
EP0144472B1 (de) | 1988-10-12 |
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Legal Events
Date | Code | Title | Description |
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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 |
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AK | Designated contracting states |
Designated state(s): BE DE FR GB IT |
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17P | Request for examination filed |
Effective date: 19850603 |
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17Q | First examination report despatched |
Effective date: 19860731 |
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GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
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AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): BE DE FR GB IT |
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ITF | It: translation for a ep patent filed |
Owner name: ING. A. GIAMBROCONO & C. S.R.L. |
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REF | Corresponds to: |
Ref document number: 3378200 Country of ref document: DE Date of ref document: 19881117 |
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ET | Fr: translation filed | ||
PLBI | Opposition filed |
Free format text: ORIGINAL CODE: 0009260 |
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26 | Opposition filed |
Opponent name: SUED-CHEMIE AG Effective date: 19890701 |
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ITTA | It: last paid annual fee | ||
PUAH | Patent maintained in amended form |
Free format text: ORIGINAL CODE: 0009272 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: PATENT MAINTAINED AS AMENDED |
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27A | Patent maintained in amended form |
Effective date: 19920624 |
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ET3 | Fr: translation filed ** decision concerning opposition | ||
ITF | It: translation for a ep patent filed |
Owner name: ING. A. GIAMBROCONO & C. S.R.L. |
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PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
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BERE | Be: lapsed |
Owner name: MIZUSAWA KAGAKU KOGYO K.K. Effective date: 19951231 |
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GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 19951206 |
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