专利名称：Heat-sensitive recording composition发明人：William R. Lawton申请号：US05/774330申请日：19770304公开号：US04094687A公开日：19780613
摘要：A heat reactive recording composition capable of acquiring a stable color inselected regions contrasting with the background color of the sheet upon exposingthese regions to an elevated temperature and comprising a paper or polymeric filmsubstrate and a coating comprising (1) an N-substituted condensation product of aheterocyclic diimino compound and an aromatic aldehyde and (2) a cyclic polyketocompound reactive with amines and amides at elevated temperatures to form a color.
申请人：LAWTON; WILLIAM R.
代理机构：Kegan, Kegan & Berkman
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