Patent · US Active

Heat-sensitive recording material with salicylic acid derivative as (color) developer reactive with a dye precursor

US10131169B2 · kind B2 · utility

0Cited by
2References
11Claims
0Family size

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Key dates

Filing dateJul 23, 2015
Grant dateNov 20, 2018
Priority date
Expiry dateJul 23, 2035

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41M5/3377
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A heat-sensitive recording material including a web-shaped substrate having a front side and an opposite reverse side, and at least one heat-sensitive recording layer on either or both of the sides of the web-shaped substrate. The heat-sensitive recording layer contains at least one dye precursor at least one salicylic acid derivative as a (color) developer reactive with this at least one dye precursor, and polyvinylpyrrolidone as auxiliary component augmenting the (color) developer the at least one salicylic acid derivative is 3,5-di(α-methylbenzyl)salicylic acid.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.