Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael Horn
Timo Stalling
Kerstin Zieringer
Date of Patent
October 10, 2023
Patent Application Number
17053682
Date Filed
May 6, 2019
Patent Citations
Patent Primary Examiner
Patent abstract
The invention relates to a heat-sensitive recording material, comprising a carrier substrate and a heat-sensitive colour-forming layer, which contains at least one colour former and at least one phenol-free colour developer, characterised in that the at least one colour developer is the compound of formula (A), Ar(NH—CO—NH—CO—NH—Ar
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