GB1111062A - Improvements in or relating to an electrolytic recording medium - Google Patents
Improvements in or relating to an electrolytic recording mediumInfo
- Publication number
- GB1111062A GB1111062A GB26443/65A GB2644365A GB1111062A GB 1111062 A GB1111062 A GB 1111062A GB 26443/65 A GB26443/65 A GB 26443/65A GB 2644365 A GB2644365 A GB 2644365A GB 1111062 A GB1111062 A GB 1111062A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- aliphatic
- group
- recording
- thiourea
- 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
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
- B41M5/20—Duplicating or marking methods; Sheet materials for use therein using electric current
- B41M5/205—Duplicating or marking methods; Sheet materials for use therein using electric current and an eroding electrode
Landscapes
- Heat Sensitive Colour Forming Recording (AREA)
Abstract
An electrolytic recording medium comprises a sheet impregnated with an electrolytically conducting solution containing a phenolic ether of the formula: <FORM:1111062/D1-D2/1> where M is an aliphatic, cycloaliphatic, aromatic or heterocyclic group, with or without a hydroxyl, carboxyl or amino substituent, and Ra, Rb, Ro and Rd may be the same or different, and are each a hydrogen atom, an aliphatic hydrocarbon group of one to six carbon atoms, a hydroxyl group or -ORe, where Re is an aliphatic group of one to six carbon atoms. Preferably the sheet is of paper and the solvent of the solution is water. The solution may also contain: a chloride, bromide, nitrate or sulphate of sodium, potassium, lithium, magnesium, rubidium or caesium as electrolyte; sulphuric acid, nitric acid, hydrochloric acid, citric acid, oxalic acid, phosphoric acid, tartaric acid or formic acid as acidifier; a salt of citric acid, oxalic acid, phosphoric acid, tartaric acid or formic acid as anti-fringing agent; and thiourea, an alkyl derivative of thiourea or dithiobiuret as a stabilizer. These media may be used for recording with an eroding anode. When the phenolic ether is of the formula: <FORM:1111062/D1-D2/2> the media may be used for recording with a non-eroding anode.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US380166A US3341431A (en) | 1964-07-03 | 1964-07-03 | Electrolytic recording medium containing a phenolic ether |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1111062A true GB1111062A (en) | 1968-04-24 |
Family
ID=23500144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB26443/65A Expired GB1111062A (en) | 1964-07-03 | 1965-06-22 | Improvements in or relating to an electrolytic recording medium |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3341431A (en) |
| GB (1) | GB1111062A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4911999A (en) * | 1988-12-13 | 1990-03-27 | E. I. Du Pont De Nemours And Company | Electrostatic master containing thiourea or thioamide electrostatic decay additive for high speed xeroprinting |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2459521A (en) * | 1944-10-14 | 1949-01-18 | Rca Corp | Electrolytic recording |
| US2513238A (en) * | 1944-11-04 | 1950-06-27 | Dry mixes for use in electrolytic | |
| GB786496A (en) * | 1956-12-20 | 1957-11-20 | Muirhead & Co Ltd | Improvements in or relating to electrolytic recording media |
| US3024173A (en) * | 1960-01-26 | 1962-03-06 | Hogan Faximile Corp | Electrolytic recording medium |
| US3123542A (en) * | 1960-10-13 | 1964-03-03 | Electrolytic marking medium |
-
1964
- 1964-07-03 US US380166A patent/US3341431A/en not_active Expired - Lifetime
-
1965
- 1965-06-22 GB GB26443/65A patent/GB1111062A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3341431A (en) | 1967-09-12 |
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