Magnetic polymer particle and process for manufacturing the same

Details Magnetic polymer particle and process for manufacturing the same Magnetic polymer particle and process for manufacturing the same

1997-01-30

1998-09-29

Morgan, Kriellion S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523122, C08K 716

Patent

active

058146873

ABSTRACT:
Novel magnetic polymer particles which resists precipitation in an aqueous medium. The novel magnetic polymer particles can be widely used as carriers for diagnostics and immobilized enzymes, carriers for bacterial isolation, carriers for cell segregation, carriers for isolation and purification of ribonucleic acids and proteins, carriers for drug deliveries, and are usable as material for magnetic toners, magnetic inks, and magnetic coatings. The process for manufacturing the magnetic polymer particles comprising; dispersing a monomer mixture including a hydrophobic monomer containing more than 50% by weight of (meth)acrylic ester and a superparamagnetic substance in an aqueous medium to prepare an suspension, and polymerizing the monomers.

REFERENCES:
patent: 4654267 (1987-03-01), Ugelstad et al.
patent: 5510169 (1996-04-01), Greczyna et al.
Japanese Abstract, JP05138009A, Jun. 1, 1993.
Japanese Abstract, JP59221302, Dec. 12,1984.

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