IE38259L - Duplicating material. - Google Patents
Duplicating material.Info
- Publication number
- IE38259L IE38259L IE731663A IE166373A IE38259L IE 38259 L IE38259 L IE 38259L IE 731663 A IE731663 A IE 731663A IE 166373 A IE166373 A IE 166373A IE 38259 L IE38259 L IE 38259L
- Authority
- IE
- Ireland
- Prior art keywords
- sheet
- coating
- precursor
- dyestuff
- acidic substance
- Prior art date
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
Abstract
1416755 Duplication set KORES HOLDING ZUG AG 18 Sept 1973 [21 Sept 1972] 43698/73 Heading D2B In a duplication set comprising a transfer sheet and a copy sheet, the transfer sheet has an upper surface suitable for writing upon and a lower surface provided with a pressure-sensitive transfer coating comprising an acidic substance and the copy sheet has its upper surface provided with a coating comprising a dyestuff precursor capable of reacting with the acidic substance to form a coloured substance and a binder for the dyestuff precursor. The acidic substance may be a clay a phenol, or a polyvalent metal salt. The dye precursor may be a diaryl phthalide e.g. crystal violet lactone. The latter may be used with benzoyl leucomethylene blue. The invention also comprises an intermediate sheet for use with such duplication sets, said sheet having its lower surface provided with a transfer coating and its upper surface with a dyestuff-precursor coating as described above.
[GB1416755A]
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT813272A AT331825B (en) | 1972-09-21 | 1972-09-21 | COPY MATERIAL |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE38259L true IE38259L (en) | 1974-03-21 |
| IE38259B1 IE38259B1 (en) | 1978-02-01 |
Family
ID=3602847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE1663/73A IE38259B1 (en) | 1972-09-21 | 1973-09-18 | Duplicating material |
Country Status (23)
| Country | Link |
|---|---|
| JP (1) | JPS4970708A (en) |
| AR (1) | AR200279A1 (en) |
| AT (1) | AT331825B (en) |
| BE (1) | BE804091A (en) |
| BR (1) | BR7307082D0 (en) |
| CA (1) | CA993656A (en) |
| CH (1) | CH573314A5 (en) |
| DD (1) | DD106800A5 (en) |
| DE (1) | DE2342596A1 (en) |
| DK (1) | DK137221B (en) |
| ES (1) | ES418963A1 (en) |
| FI (1) | FI59220C (en) |
| FR (1) | FR2200787A5 (en) |
| GB (1) | GB1416755A (en) |
| IE (1) | IE38259B1 (en) |
| IL (1) | IL43232A (en) |
| IT (1) | IT995414B (en) |
| NL (1) | NL7313030A (en) |
| NO (1) | NO138720C (en) |
| SE (1) | SE414739B (en) |
| SU (1) | SU576905A3 (en) |
| TR (1) | TR17704A (en) |
| ZA (1) | ZA737195B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5835479B2 (en) * | 1978-12-18 | 1983-08-02 | 三島製紙株式会社 | pressure sensitive recording material |
| US4347282A (en) * | 1979-04-27 | 1982-08-31 | Frye Copysystems, Inc. | Chemical carbonless copy paper and transfer medium therefor |
| US4363664A (en) | 1980-01-25 | 1982-12-14 | Sterling Drug Inc. | Novel compositions and processes |
| EP0036117B1 (en) | 1980-03-14 | 1986-02-05 | Spezial-Papiermaschinenfabrik August Alfred Krupp GmbH & Co | Pressure-sensitive recording material |
| US4343494A (en) * | 1980-06-16 | 1982-08-10 | Frye Copysystems, Inc. | Carbonless copy paper system |
| US4339143A (en) * | 1980-08-18 | 1982-07-13 | Mishima Paper Co., Ltd. | Pressure-sensitive recording material |
| CN112268903B (en) * | 2020-10-15 | 2023-05-05 | 华能国际电力股份有限公司 | On-site metallographic tectorial membrane test paper and preparation and use methods thereof |
-
1972
- 1972-09-21 AT AT813272A patent/AT331825B/en not_active IP Right Cessation
-
1973
- 1973-08-23 DE DE19732342596 patent/DE2342596A1/en active Pending
- 1973-08-28 BE BE134997A patent/BE804091A/en unknown
- 1973-08-29 FI FI2685/73A patent/FI59220C/en active
- 1973-08-29 CH CH1237473A patent/CH573314A5/xx not_active IP Right Cessation
- 1973-08-29 AR AR249820A patent/AR200279A1/en active
- 1973-09-05 SE SE7312099A patent/SE414739B/en unknown
- 1973-09-06 TR TR17704A patent/TR17704A/en unknown
- 1973-09-10 ZA ZA737195*A patent/ZA737195B/en unknown
- 1973-09-12 BR BR7082/73A patent/BR7307082D0/en unknown
- 1973-09-13 DD DD173459A patent/DD106800A5/xx unknown
- 1973-09-14 IL IL43232A patent/IL43232A/en unknown
- 1973-09-17 CA CA181,179A patent/CA993656A/en not_active Expired
- 1973-09-18 FR FR7333346A patent/FR2200787A5/fr not_active Expired
- 1973-09-18 IT IT28991/73A patent/IT995414B/en active
- 1973-09-18 IE IE1663/73A patent/IE38259B1/en unknown
- 1973-09-18 GB GB4369873A patent/GB1416755A/en not_active Expired
- 1973-09-19 SU SU7301965102A patent/SU576905A3/en active
- 1973-09-20 NO NO3708/73A patent/NO138720C/en unknown
- 1973-09-20 JP JP48106457A patent/JPS4970708A/ja active Pending
- 1973-09-20 DK DK514273AA patent/DK137221B/en not_active IP Right Cessation
- 1973-09-21 NL NL7313030A patent/NL7313030A/xx not_active Application Discontinuation
- 1973-09-21 ES ES418963A patent/ES418963A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7313030A (en) | 1974-03-25 |
| JPS4970708A (en) | 1974-07-09 |
| BE804091A (en) | 1973-12-17 |
| FR2200787A5 (en) | 1974-04-19 |
| DE2342596A1 (en) | 1974-04-11 |
| SU576905A3 (en) | 1977-10-15 |
| DK137221C (en) | 1978-07-10 |
| CA993656A (en) | 1976-07-27 |
| DK137221B (en) | 1978-02-06 |
| DD106800A5 (en) | 1974-07-05 |
| CH573314A5 (en) | 1976-03-15 |
| IE38259B1 (en) | 1978-02-01 |
| IL43232A0 (en) | 1973-11-28 |
| BR7307082D0 (en) | 1974-07-25 |
| SE414739B (en) | 1980-08-18 |
| IL43232A (en) | 1976-10-31 |
| ES418963A1 (en) | 1976-07-01 |
| TR17704A (en) | 1975-07-23 |
| FI59220B (en) | 1981-03-31 |
| IT995414B (en) | 1975-11-10 |
| AR200279A1 (en) | 1974-10-31 |
| FI59220C (en) | 1981-07-10 |
| GB1416755A (en) | 1975-12-03 |
| NO138720B (en) | 1978-07-24 |
| ATA813272A (en) | 1975-11-15 |
| ZA737195B (en) | 1974-08-28 |
| AT331825B (en) | 1976-08-25 |
| NO138720C (en) | 1978-11-01 |
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