Magnetic ink refining method

Details Magnetic ink refining method Magnetic ink refining method

1981-05-18

1983-09-20

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 19, 252 6254, C09D 1100

Patent

active

044053703

ABSTRACT:
A magnetic ink refining method according to which the fine magnetic particles dispersed unstably in the magnetic ink are sedimented and removed by applying a concentrated magnetic field to the magnetic ink composed of the fine magnetic particles dispersed in a dispersing medium in a colloidal state with a surface-active agent, and a picture recording device incorporating said refining system.

REFERENCES:
patent: 4296176 (1981-10-01), Lennon et al.

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