Magnetic ink concentrate

Details Magnetic ink concentrate Magnetic ink concentrate

1994-09-13

1996-03-19

Bonner, C. Melissa

Compositions

Magnetic

With wax, bitumen, resin, or gum

252 6251R, 252 6256, 106 20B, H01F 100, H01F 126, C09D 1100

Patent

active

055001416

ABSTRACT:
A magnetic ink concentrate essentially consisting of a dispersion of superparamagnetic solid particles in water or alcohol in the presence of a dispersant, and a process for its preparation.

REFERENCES:
patent: 3228881 (1966-01-01), Thomas
patent: 3965032 (1976-06-01), Gibbs et al.
patent: 3990981 (1976-11-01), Kovac et al.
patent: 4026713 (1977-05-01), Sambucetti et al.
patent: 4107063 (1978-08-01), Kovac et al.
patent: 4493778 (1985-01-01), Iqbal
patent: 4810401 (1989-03-01), Mair et al.
patent: 4824587 (1989-04-01), Kwon et al.
patent: 5240626 (1993-08-01), Thakur et al.

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