Du Pont Toray Company Limited

Fujirebio Kabushiki Kaisha

E-Jan Networks Co.

Shiro Sakamoto

Kazuhiko Kosuge

Takeshi Hatano

Kazumasa Suzuki

Mikio Ikeda

Kumar Karvepaku

A dyeable polyparaphenylene terephthalamide fiber which has been wound once after spinning and has not been dyed yet, characterized in that it has a tensile strength of 15 g/denier or more and a crystal size (110 direction) of 30 to 55 angstroms and has no history of a treatment drying to have a water content of 8% or less, and a method for producing the same. A polyparaphenylene terephthalamide fiber which can be dyed while its properties of high strength and high modulus elasticity are maintained, and textile products made of the fiber which are dyed in a variety of colors, can be provided.

Polyparaphenylene terephthalamide fiber and method for producing the same

A magnetic particulate comprising gelatin, water-soluble polysaccharide, sodium polymetaphosphate and ferromagnetic substance, which is used as a carrier for immobilization of biological proteins such as antigens, antibodies or enzymes, and a process of producing the magnetic particulate.

Magnetic particulate for immobilization of biological protein and

Growing community of inventors

Tokyo, Japan

Shiro Sakamoto