Pressure-sensitive record material

A chromogenic composition for use in pressure-sensitive record material comprises chromogenic material in a vegetable oil vehicle. The vehicle is made up of at least a major proportion of relatively high melting vegetable oil which is solid or semi-solid at ambient temperatures of around 20-25 DEG C...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MCGUINNESS, GORDON BAXTER, SAUNDERS, RICHARD DAVID
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
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