Patents Assigned to Sumika Enviro-Science Co., Ltd.
  • Patent number: 8338404
    Abstract: This invention relates to an allergen-reducing composition comprising a hydroxyproline derivative, a polymer thereof, or a salt of such a derivative or polymer, which is capable of reducing the allergenicity of mites, pollens, or other allergens and is capable of imparting functions of reducing allergenicity to fibers or textiles such as a carpet, a tatami mat, a bed cloth, a curtain, clothing, a stuffed animal, a mask, a filter material, or a dust bag for an electric vacuum cleaner without discoloration; and a method for reducing allergens using such composition.
    Type: Grant
    Filed: September 11, 2007
    Date of Patent: December 25, 2012
    Assignees: Kyowa Hakko Bio Co., Ltd., Sumika Enviro-Science Co., Ltd.
    Inventors: Tetsuo Nakano, Hideo Kawabe, Keiichirou Inui, Kouichi Waki
  • Publication number: 20090182015
    Abstract: A method of producing microcapsule formulations wherein slurries containing imidacloprid suspended in water-immiscible organic solvents are wet-crushed, then, urethane-based macromolecular polymers are added to this, and the resultant mixture is dispersed as liquid drops in water, to form membranes on the interfaces of the liquid drops.
    Type: Application
    Filed: May 28, 2007
    Publication date: July 16, 2009
    Applicants: SUMIKA ENVIRO-SCIENCE CO., LTD, BAYER CROPSCIENCE K.K
    Inventor: Ryuichi Kanayama
  • Publication number: 20090069403
    Abstract: This invention relates to an allergen-reducing composition comprising a hydroxyproline derivative, a polymer thereof, or a salt of such a derivative or polymer, which is capable of reducing the allergenicity of mites, pollens, or other allergens and is capable of imparting functions of reducing allergenicity to fibers or textiles such as a carpet, a tatami mat, a bed cloth, a curtain, clothing, a stuffed animal, a mask, a filter material, or a dust bag for an electric vacuum cleaner without discoloration; and a method for reducing allergens using such composition.
    Type: Application
    Filed: September 11, 2007
    Publication date: March 12, 2009
    Applicants: KYOWA HAKKO KOGYO CO., LTD., SUMIKA ENVIRO-SCIENCE CO., LTD.
    Inventors: Tetsuo Nakano, Hideo Kawabe, Keiichirou Inui, Kouchi Waki