EP0016320A2
Expired / Lapsed
EP
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A ribbon for non-impact electrothermic printing
Assignee: International Business Machines Corp
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Filing: 1980-02-01
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Granted: —
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Expires: 2000-02-01
Abstract
Abstract A ribbon for non-impact electrothermic printing is provided. The ribbon includes an electrically conductive substrate and a transfer layer. The transfer layer comprises colouring material and glycerol ester of hydrogenated rosin. The transfer layer also included ethyl cellulose.
Inventors
- 👤 Meredith David Shattuck
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-26 10:04
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/382; B41M5/3825
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
29 words
'1. A ribbon for non-impact printing characterised in that the ribbon includes an electrically conductive substrate and a transfer layer comprising colouring material and glycerol ester of hydrogenated rosin.
Claim 2
Dependent Claim
16 words
A ribbon as claimed in Claim 1, in which the transfer layer also comprises ethyl cellulose.
Claim 3
Dependent Claim
32 words
A ribbon as claimed in Claim 2, in which the glycerol ester of hydrogenated rosin and the ethyl cellulose are present in a weight ratio of from about 5% to about 10%.
Claim 4
Dependent Claim
22 words
A ribbon as claimed in any one of Claims 1 to 3, in which the transfer layer is about 3 mils thick.
Claim 5
Dependent Claim
32 words
A ribbon as claimed in any one of the preceding Claims, in which the colouring material to glycerol ester of hydrogenated rosin ester weight ratio is from about 2% to about 50%.
References Cited (Backward Citations)
No citation records indexed.
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