Patents by Inventor Ryoji Funatsu

Ryoji Funatsu 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).

  • STABLE MICROBICIDAL COMPOSITION
    Publication number: 20080299225
    Abstract: A microbicidal composition contains isothiazolone compounds, which contain 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one, a nitrate in a content of 3% by weight to 25% by weight with respect to a total weight of the composition, a haloacetamide in a content of 5 ppm to 500 ppm, and water. A nitrate in a proportion of 3% by weight to 25% by weight and a haloacetamide in a proportion of 5 ppm to 500 ppm are added to an aqueous solution of isothiazolone compounds, which contain 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one.
    Type: Application
    Filed: March 28, 2008
    Publication date: December 4, 2008
    Applicant: CHEMICREA INC.
    Inventor: Ryoji FUNATSU
  • Germicidal composition
    Patent number: 5256693
    Abstract: A synergistic germicidal composition includes a derivative of .alpha.
    Type: Grant
    Filed: April 13, 1992
    Date of Patent: October 26, 1993
    Assignee: Somar Corporation
    Inventors: Ryoji Funatsu, Kazuyuki Nishizawa, Susumu Mitsui
  • Stabilized isothiazolone
    Patent number: 5149706
    Abstract: A germicidal composition is disclosed which comprises a solvent containing at least 50% by weight of a stabilizing liquid selected from 3-methyl-3-methoxybutyl alcohol and an isothiazolone compound dissolved in the solvent.
    Type: Grant
    Filed: July 2, 1990
    Date of Patent: September 22, 1992
    Assignee: Somar Corporation
    Inventors: Ryoji Funatsu, Susumu Mitsui, Shigeru Kurose, Atsuko Gato
  • Germicidal composition
    Patent number: 5084470
    Abstract: A germicidal composition includes 3-isothiazolone compound of the general formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom or a halogen atom and R.sup.
    Type: Grant
    Filed: October 25, 1990
    Date of Patent: January 28, 1992
    Assignee: Somar Corporation
    Inventors: Susumu Mitsui, Shigeru Kurose, Ryoji Funatsu
  • Germicidal composition
    Patent number: 5013755
    Abstract: A germicidal composition is disclosed which includes:a first ingredient which is tribromoacetoxypropane of the formula: ##STR1## a second ingredient selected from the group consisting of (a) an alcohol of the general formula: ##STR2## wherein R.sup.1 and R.sup.2 stand independently from each other for hydrogen, a halogen, an alkyl or a substituted alkyl and X stands for a halogen and (b) dibromocyanoacetamide of the formula: ##STR3## .
    Type: Grant
    Filed: October 25, 1989
    Date of Patent: May 7, 1991
    Assignee: Somar Corporation
    Inventors: Susumu Mitsui, Ryoji Funatsu, Shigeru Kurose