B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
42/16, 42/4
B41M 5/155 (2006.01)
Patent
CA 1185091
ABSTRACT Pressure- or heat-sensitive record material carries hydrated zirconia as a colour developer material. The hydrated zirconia may be modified by the presence of compounds or ions of one or more multivalent metals.
416849
Arjo Wiggins Limited
Fetherstonhaugh & Co.
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