发明申请
US20050221982A1 Heat sensitive recording material 审中-公开
热敏记录材料

Heat sensitive recording material
摘要:
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.
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