The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 29, 1998

Filed:

Jan. 30, 1997
Applicant:
Inventors:

Kiyoshi Kasai, Kameyama, JP;

Masayuki Hattori, Aichi, JP;

Kakun Han, Tsukuba, JP;

Assignee:

JSR Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
523223 ; 523122 ;
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.


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Kasai, Kiyoshi. (1998). Magnetic polymer particle and process for manufacturing the same (U.S. Patent No. 5814687). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5814687

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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