EP0162661A3 - Kopierpapier ohne Kohle - Google Patents
Kopierpapier ohne Kohle Download PDFInfo
- Publication number
- EP0162661A3 EP0162661A3 EP85303416A EP85303416A EP0162661A3 EP 0162661 A3 EP0162661 A3 EP 0162661A3 EP 85303416 A EP85303416 A EP 85303416A EP 85303416 A EP85303416 A EP 85303416A EP 0162661 A3 EP0162661 A3 EP 0162661A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- parts
- calcium carbonate
- admixture
- coating
- weight
- 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.)
- Withdrawn
Links
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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Color Printing (AREA)
- Paper (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US612044 | 1984-05-18 | ||
US06/612,044 US4755501A (en) | 1984-05-18 | 1984-05-18 | Color developing composition for carbonless paper copying system |
US72818185A | 1985-04-29 | 1985-04-29 | |
US728181 | 1991-07-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0162661A2 EP0162661A2 (de) | 1985-11-27 |
EP0162661A3 true EP0162661A3 (de) | 1987-01-14 |
Family
ID=27086658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85303416A Withdrawn EP0162661A3 (de) | 1984-05-18 | 1985-05-15 | Kopierpapier ohne Kohle |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0162661A3 (de) |
CA (1) | CA1219444A (de) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1309512A (en) * | 1970-06-08 | 1973-03-14 | Fuji Photo Film Co Ltd | Developer sheets for pressure-sensitive recording |
GB1524900A (en) * | 1975-06-20 | 1978-09-13 | Moore Business Forms Inc | High solids active clay coating formulations and methods for producing and applying the same |
GB2088889A (en) * | 1980-10-24 | 1982-06-16 | Fuji Photo Film Co Ltd | Recording materials having a clay-containing developer layer |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57205191A (en) * | 1981-06-11 | 1982-12-16 | Ricoh Co Ltd | Heat sensitive recording material |
-
1985
- 1985-05-15 EP EP85303416A patent/EP0162661A3/de not_active Withdrawn
- 1985-05-17 CA CA000481745A patent/CA1219444A/en not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1309512A (en) * | 1970-06-08 | 1973-03-14 | Fuji Photo Film Co Ltd | Developer sheets for pressure-sensitive recording |
GB1524900A (en) * | 1975-06-20 | 1978-09-13 | Moore Business Forms Inc | High solids active clay coating formulations and methods for producing and applying the same |
GB2088889A (en) * | 1980-10-24 | 1982-06-16 | Fuji Photo Film Co Ltd | Recording materials having a clay-containing developer layer |
Non-Patent Citations (1)
Title |
---|
PATENTS ABSTRACTS OF JAPAN, vol. 7, no. 59 (M-199)[1204], 11th March 1983; & JP-A-57 205 191 (RICOH K.K.) 16-12-1982 * |
Also Published As
Publication number | Publication date |
---|---|
CA1219444A (en) | 1987-03-24 |
EP0162661A2 (de) | 1985-11-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |
|
AK | Designated contracting states |
Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
17P | Request for examination filed |
Effective date: 19870212 |
|
17Q | First examination report despatched |
Effective date: 19880822 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Withdrawal date: 19881205 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: CHANG, YEW C. Inventor name: LAMAR, RICHARD S. |