B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
42/1, 42/2
B41M 5/333 (2006.01) B41M 5/155 (2006.01)
Patent
CA 1139559
Abstract of the Disclosure A pressure-sensitive or heat-sensitive recording material which contains in its colour reactant system, as developer for colour for- mers, at least one compound of the formula Z - CH - A1 - (X1)m (I) wherein Z is a radical of a reactive organic methylene or methyl compound or a radical of the formula Image (Ia) , Image (Ib) or - S - G (Ic) wherein each of A1 and A2 independently is carbon or unsubstituted or substituted alkylene, arylene or aralkylene, each of X1 and X2 is halogen, cyano or nitro, each of D1, D2 and E independently is unsub- stituted or substituted alkyl, aralkyl, aryl, alkanoyl, alkylsulfonyl, aroyl, arylsulfonyl, cyanoamidino, or is the group Image or Image , wherein each of R1 and R2 independently is hydrogen or unsubstituted or substituted alkyl, aryl or aralkyl, whilst D1 and D2 are also hydrogen, or each of the pairs of substituents (R1 and R2) and (D1 and E) together with the nitrogen atom to which said pair is attached is a 5- or 6-membered heterocyclic radical, W is -CO-, -SO2-, -COCO-, Image or unsubstituted or substituted alkylene or phenylene, G is unsubstituted or substituted alkyl, aralkyl, or aryl or is a 5- or 6- membered heterocyclic radical, and m is 1 to 6. The group -A1-(X1)m is preferably -C(Hal)3 wherein Hal is halogen.
340288
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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