Patents by Inventor Kiyoji Miyagishi

Kiyoji Miyagishi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Cleaning agent
    Patent number: 7956026
    Abstract: The present invention herein provide a cleaning agent which comprises (A) an aqueous solution or an aqueous dispersion containing a linear poly(meth)acrylamide having an average molecular weight of not less than 5×106 as determined according to the intrinsic viscosity-determining technique in a concentration ranging from 0.0001 to 0.01% by mass; (B) a poly(hexamethylene-biguanide) hydrochloride represented by the following general formula (1); and (C) at least one compound selected from the group consisting of propylene glycol, dipropylene glycol, tripropylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, and ethers of ethylene glycol and propylene glycol with alcohols each having 1 to 3 carbon atoms, and esters thereof with fatty acids each having 1 to 3 carbon atoms, glycine and taurine: [—(CH2)m—NH—C(NH)—NH—C(NH)—NH—(CH2)n—]p.HCl??General Formula (1) wherein m and n each represent an integer ranging from 2 to 5 and p is an integer ranging from 5 to 16.
    Type: Grant
    Filed: June 4, 2008
    Date of Patent: June 7, 2011
    Assignee: ESPO Chemicals Corp.
    Inventors: Shunsuke Kobayashi, Yoshiyuki Hayashi, Yasushi Nakaida, Shin Nakae, Makoto Kageyama, Kiyoji Miyagishi