Global Patent Index - EP 3765303 A1

EP 3765303 A1 20210120 - THERMORESPONSIVE PAPER COATINGS BASED ON CELLULOSE DERIVATIVES

Title (en)

THERMORESPONSIVE PAPER COATINGS BASED ON CELLULOSE DERIVATIVES

Title (de)

THERMORESPONSIVE PAPIERBESCHICHTUNGEN AUF BASIS VON CELLULOSEDERIVATEN

Title (fr)

REVÊTEMENTS EN PAPIER THERMORÉACTIFS À BASE DE DÉRIVÉS DE CELLULOSE

Publication

EP 3765303 A1 20210120 (DE)

Application

EP 19722558 A 20190502

Priority

  • DE 102018111495 A 20180514
  • EP 2019061187 W 20190502

Abstract (en)

[origin: WO2019219391A1] 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, the thermoresponsive layer comprising nanoparticles of at least one cellulose ester. The invention also relates to a method for producing this material and to a heat-sensitive recording material that can be obtained according to the method.

IPC 8 full level

B41M 5/36 (2006.01)

CPC (source: EP US)

B41M 5/36 (2013.01 - EP); B41M 5/366 (2013.01 - EP US); B41M 5/361 (2013.01 - EP); B41M 2205/04 (2013.01 - EP US)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

DE 102018111495 A1 20191114; DE 102018111495 B4 20200409; CN 112004687 A 20201127; CN 112004687 B 20230428; EP 3765303 A1 20210120; EP 3765303 B1 20230621; ES 2954503 T3 20231122; FI 3765303 T3 20230912; US 11975553 B2 20240507; US 2021213769 A1 20210715; WO 2019219391 A1 20191121

DOCDB simple family (application)

DE 102018111495 A 20180514; CN 201980027372 A 20190502; EP 19722558 A 20190502; EP 2019061187 W 20190502; ES 19722558 T 20190502; FI 19722558 T 20190502; US 201917055086 A 20190502