Typewriting machines – Including interposed inking device for record-medium – Ribbon – per se
Patent
1986-01-15
1987-08-18
Wright, Jr., Ernest T.
Typewriting machines
Including interposed inking device for record-medium
Ribbon, per se
400120, 428913, B41J 3100
Patent
active
046873600
ABSTRACT:
A thermal transfer ribbon comprising a substrate and an ink layer is disclosed. The ink layer comprises a partially crystalline polymer which becomes soft at a time when the crystalline portion begins to melt, the polymer derived from an acid containing at least one carboxylic acid moiety.
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Cuming Phyllis A.
Wellman Russel E.
Pitchenik David E.
Pitney Bowes Inc.
Scolnick Melvin J.
Vrahotes Peter
Wright, Jr. Ernest T.
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