GB1064771A - Electrolytic recording medium - Google Patents

Electrolytic recording medium

Info

Publication number
GB1064771A
GB1064771A GB17519/64A GB1751964A GB1064771A GB 1064771 A GB1064771 A GB 1064771A GB 17519/64 A GB17519/64 A GB 17519/64A GB 1751964 A GB1751964 A GB 1751964A GB 1064771 A GB1064771 A GB 1064771A
Authority
GB
United Kingdom
Prior art keywords
metal
electrolytic recording
recording medium
anode
paper
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
Application number
GB17519/64A
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.)
Hogan Faximile Corp
Original Assignee
Hogan Faximile Corp
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.)
Filing date
Publication date
Application filed by Hogan Faximile Corp filed Critical Hogan Faximile Corp
Publication of GB1064771A publication Critical patent/GB1064771A/en
Expired legal-status Critical Current

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

Abstract

An electrolytic recording medium comprises a sheet, e.g. of paper, impregnated with an electrically conducting solution containing a sulphoxylate or bisulphite addition salt of an aldehyde. The metal in the salt is an alkali metal, zinc or cadmium. Aldehydes whose derivatives are referred to are formaldehyde, acetaldehyde and benzaldehyde. The solution may contain as an electrolyte an alkali-metal or ammonium nitrate or sulphate. It may be brought to a suitable pH, e.g. between 7 and 14, by the addition of sodium hydroxide, or may be buffered with sodium carbonate and bicarbonate or sodium monohydrogen phosphate. When this medium is used in electrolytic recording with an anode of e.g. silver, silver alloy, copper or iron, metal from the anode is dissolved but immediately reduced again to free metal which forms a mark on the paper.
GB17519/64A 1964-03-31 1964-04-28 Electrolytic recording medium Expired GB1064771A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US356207A US3332857A (en) 1964-03-31 1964-03-31 Electrolytic recording medium

Publications (1)

Publication Number Publication Date
GB1064771A true GB1064771A (en) 1967-04-12

Family

ID=23400573

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17519/64A Expired GB1064771A (en) 1964-03-31 1964-04-28 Electrolytic recording medium

Country Status (2)

Country Link
US (1) US3332857A (en)
GB (1) GB1064771A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3632484A (en) * 1970-01-27 1972-01-04 Robert Doughty Richards Electrolytic facsimile-recording process
JPS4917741B1 (en) * 1970-12-30 1974-05-02

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB942034A (en) * 1959-08-20 1963-11-20 Kodak Ltd Development of photographic silver halide layers

Also Published As

Publication number Publication date
US3332857A (en) 1967-07-25

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