C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 311/60 (2006.01) B41M 5/30 (2006.01) B41M 5/333 (2006.01)
Patent
CA 2486770
New crystal forms of N-(p-toluenesulphonyl)-N'-(3-p-toluenesulphonyl-oxy- phenyl)urea, methods for its manufacture, its use, in particular for the manufacture of heat sensitive recording materials.
L'invention concerne de nouvelles formes cristallines de N-(p-toluènesulphonyle)-N'-(3-p-toluènesulphonyle-oxy-phényle)urée, des procédés de production et d'utilisation associés, en particulier pour la production de matériaux d'enregistrement thermosensibles.
Hill Ian
O'neill Robert Montgomery
Taylor James Philip
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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