Global Patent Index - EP 0991523 A1

EP 0991523 A1 2000-04-12 - PLASTICS WHICH CAN BE LASER-MARKED

Title (en)

PLASTICS WHICH CAN BE LASER-MARKED

Title (de)

LASERMARKIERBARE KUNSTSTOFFE

Title (fr)

PLASTIQUES PERMETTANT LE MARQUAGE AU LASER

Publication

EP 0991523 A1 (DE)

Application

EP 98929407 A

Priority

  • DE 19726136 A
  • EP 9803250 W

Abstract (en)

[origin: DE19726136A1] The invention relates to plastics which can be marked by laser, characterised in that an absorber material in the form of a plastic which is not receptive to laser treatment contains a polymer whose intrinsic properties are such that it can be marked by laser. Said polymer is present in the form of micro-ground particles with a particle size of between 0.1 and 100 mu m.

IPC 1-7 (main, further and additional classification)

B41M 5/36; B41M 5/26

IPC 8 full level (invention and additional information)

B41M 5/26 (2006.01); B41M 5/36 (2006.01); C08J 7/00 (2006.01); C08L 101/00 (2006.01)

CPC (invention and additional information)

B41M 5/267 (2013.01); B41M 5/366 (2013.01)

Citation (search report)

See references of WO 9858805A1

Designated contracting state (EPC)

DE ES FI FR GB IT

DOCDB simple family

DE 19726136 A1 19981224; AU 7917898 A 19990104; BR 9810065 A 20000919; CA 2294235 A1 19981230; CN 1169677 C 20041006; CN 1260752 A 20000719; DE 19880779 D2 20000907; EP 0991523 A1 20000412; EP 0991523 B1 20021016; ES 2183381 T3 20030316; JP 2002504947 A 20020212; KR 20010013893 A 20010226; TW 589339 B 20040601; WO 9858805 A1 19981230