Typewriter ribbon having a thin support and a transferable mass,

Details Typewriter ribbon having a thin support and a transferable mass, Typewriter ribbon having a thin support and a transferable mass,

1988-05-31

1989-10-03

Yarbrough, Amelia Burgess

Stock material or miscellaneous articles

Composite

Of wax or waxy material

106 20, 106 27, 106 28, 106 31, 260DIG38, 4003411, 428914, 4284881, 524556, B32B 904

Patent

active

048716200

ABSTRACT:
The present invention relates to a typewriter ribbon made up of a flexible thin support and a transferable mass placed on the flexible thin support. The transferable mass comprises a surface-active dispersing agent and a surface-active resin dissolved in a medium-boiling solvent.
This ribbon is useful for correctable typing on delicate or treated paper, e.g., photocopied paper.

REFERENCES:
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patent: 3630802 (1971-12-01), Dettling
patent: 3682683 (1972-08-01), Elbert et al.
patent: 3776864 (1973-12-01), Woerner
patent: 3825437 (1974-07-01), Blair
patent: 4092280 (1978-05-01), Barouh et al.
patent: 4427739 (1984-01-01), Kohle et al.
patent: 4434207 (1984-02-01), Franey
patent: 4515489 (1985-05-01), Kohle et al.
patent: 4544292 (1985-10-01), Kohle et al.
patent: 4592945 (1986-06-01), Mecke et al.
patent: 4605593 (1986-08-01), Iida
U.S. patent application Ser. No. 06/878,747, filed Jun. 26, 1986, Norbert Mecke et al., "Thermal Transfer Ribbon and Method of Making Same".
U.S. patent application Ser. No. 06/868,434, filed May 30, 1986; Guenter Pietsch et al., "Fabric Printer Ribbon".
U.S. patent application Ser. No. 07/015,056, filed Feb. 3, 1987; Heinrich Krauter et al., "Method for fabricating Thermo-Inking Ribbons for Thermo-Transfer Printing, and Thermo-Inking Ribbon . . . ".
U.S. patent application Ser. No. 06/783,843, filed Oct. 3, 1985; Mecke et al.
Derwent Abstract, Accession No. 78-18797A/10, Japanese Patent No. 553009606-A.
Derwent Abstract, Accession No. 79-70132B/39, German Patent No. DE 2809658-A.

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