Polymer filler particles with filler free coating

Details Polymer filler particles with filler free coating Polymer filler particles with filler free coating

1982-10-21

1984-12-25

McCamish, Marion E.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

428405, 428407, 424 20, 424 22, B01J 1302

Patent

active

044904363

ABSTRACT:
A polymer particle produced by forming a layer of filler-free polymer (II) on the surface layer of a filler-containing polymer particle (I) by polymerization of a monomer composed mainly of an ethylenically unsaturated compound in the presence of the polymer particle (I) is suitable for uniformly carrying a biological substance such as an immunoreactive substance, enzyme or cell on its surface because it has no filler in its surface layer, and the physical properties of the filler contained in the polymer particle (I) can be utilized.

REFERENCES:
patent: 3639306 (1972-02-01), Steinberg et al.
patent: 3650814 (1972-03-01), Elder, Jr.
patent: 3909444 (1975-09-01), Anderson et al.
patent: 3922379 (1975-11-01), Farhadieh
patent: 4061828 (1977-12-01), Mazarguil et al.
patent: 4331654 (1982-05-01), Morris
patent: 4345588 (1982-08-01), Widder et al.

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