Patent · US Active

Thermoresponsive paper coatings based on cellulose derivatives

US11975553B2 · kind B2 · utility

0Cited by

4References

15Claims

0Family size

Assignees

Papierfabrik August Koehler SE · DE
Technische Universität Darmstadt · DE

Inventors

Maximilian NAU · Darmstadt, DE
Markus BIESALSKI · Reinheim, DE
Michael Horn · Offenburg, DE

Key dates

Filing date	May 2, 2019
Grant date	May 7, 2024
Priority date	—
Expiry date	Mar 15, 2041

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41M2205/04
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The present invention relates to a heat-sensitive recording material comprising a carrier substrate, which is black or coloured on at least one side, and a thermoresponsive layer on the at least one black or coloured side of the carrier substrate, wherein the thermoresponsive layer comprises nanoparticles of at least one cellulose ester, and to a method for producing this material, and to a heat-sensitive recording material that can be obtained by this method.

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