B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
B41M 5/155 (2006.01)
Patent
CA 2147326
A color developer for self-transfer papers based on a phyllosilicate capable of swelling is described which is characterized in that the percentage of the phyllosilicate capable of swelling is 50 to 100% by weight, and in that the phyllosilicate has a swelling volume of 5 to 30 ml, relative to a suspension of 2 grams in 100 ml of water, and a specific surface of < 140 m2/g.
Halbwirth Walter
Koch Hans-Gunther
Ruf Friedrich
Weigl Josef
Fetherstonhaugh & Co.
Sud-Chemie Aktiengesellschaft
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