Global Patent Index - EP 0106772 A1

EP 0106772 A1 19840425 - Thermographic compositions containing these developers and thermographic copying materials.

Title (en)

Thermographic compositions containing these developers and thermographic copying materials.

Title (de)

Wärmeempfindliche Zusammensetzungen sowie wärmeempfindliche Aufzeichnungsmaterialien.

Title (fr)

Compositions thermographiques et matériaux d'enregistrement thermographique.

Publication

EP 0106772 A1 19840425 (FR)

Application

EP 83420117 A 19830713

Priority

FR 8212845 A 19820716

Abstract (en)

[origin: US4536219A] The invention relates to novel thermographic recording compositions. Novel color developers for thermographic compositions consist of the compounds of the formula: <IMAGE> +TR <IMAGE> The invention is useful for recording supports for data generally, for example, computers, medical, etc.

Abstract (fr)

Compositions d'enregistrements thermographiques. Nouveaux développeurs de couleur pour compositions thermographiques consistant en les composés de formule: <IMAGE> Application aux supports d'enregistrement de données en général, par exemple informatiques, médicales, etc...

IPC 1-7

B41M 5/26

IPC 8 full level

C08K 5/00 (2006.01); B41M 5/155 (2006.01); B41M 5/333 (2006.01); C07D 275/06 (2006.01); C08K 5/35 (2006.01); C08K 5/45 (2006.01); C08L 1/00 (2006.01); C08L 7/00 (2006.01); C08L 21/00 (2006.01); C08L 23/00 (2006.01); C08L 27/00 (2006.01); C08L 33/00 (2006.01); C08L 33/02 (2006.01); C08L 101/00 (2006.01)

CPC (source: EP US)

B41M 5/155 (2013.01 - EP US); B41M 5/3333 (2013.01 - EP US)

Citation (search report)

  • [XD] DE 2727775 A1 19780105 - CIBA GEIGY AG
  • [XD] US 3080254 A 19630305 - GRANT JR EDWIN A
  • [XD] US 4052244 A 19771004 - SKOULTCHI MARTIN M
  • [A] DERWENT JAPANESE PATENTS REPORT, SECTION CH, vol. 78, no. 29, 18 août 1978, J7-G, page 1 & JP-A-53 023 205 (MITSUBISHI PAPER MILL) 13-07-1978
  • [A] PATENTS ABSTRACTS OF JAPAN, vol. 4, no. 96, 11 juillet 1980, page 160 M 20 & JP-A-55 055891 (HODOGAYA KAGAKU KOGYO K.K.) 24-04-1980

Designated contracting state (EPC)

BE CH DE GB IT LI

DOCDB simple family (publication)

FR 2530191 A1 19840120; FR 2530191 B1 19861121; DE 3370460 D1 19870430; EP 0106772 A1 19840425; EP 0106772 B1 19870325; JP H0512160 B2 19930217; JP S5933189 A 19840222; US 4536219 A 19850820

DOCDB simple family (application)

FR 8212845 A 19820716; DE 3370460 T 19830713; EP 83420117 A 19830713; JP 12804083 A 19830715; US 51330483 A 19830713