EP 0464474 A3 19930421 - DELIBLE MAGNETIC INK AND PROCESS FOR MAKING THE SAME
Title (en)
DELIBLE MAGNETIC INK AND PROCESS FOR MAKING THE SAME
Publication
Application
Priority
- IT 2072590 A 19900622
- IT MI911494 A 19910531
Abstract (en)
[origin: EP0464474A2] The delible magnetic ink, particularly for marking documents and the like, includes a mixture of water, gum arabic, colored pigment and finely ground magnetic material mixed with an easily hydratable vehicle. In a further embodiment, the delible magnetic ink includes, in a mixture, a non-polar solvent, a grinding vehicle, organic pigments and finely ground magnetic material.
IPC 1-7
IPC 8 full level
H01F 41/16 (2006.01)
CPC (source: EP)
H01F 41/16 (2013.01)
Citation (search report)
- GB 748763 A 19560509 - BURROUGHS CORP
- WO 8303426 A1 19831013 - GAMBRO LUNDIA AB [SE]
- FR 2314235 A1 19770107 - IBM [US]
- GB 857820 A 19610104 - DICK CO AB
- US 3072577 A 19630108 - MILLER LEWIS F, et al
- [Y] PATENT ABSTRACTS OF JAPAN vol. 5, no. 175 (P-88)(847) 11 November 1981 & JP-56 105 338 ( TOKYO JIKI INSATSU K.K. ) 21 August 1981
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
DOCDB simple family (application)
EP 91110061 A 19910619