Patents by Inventor Hiroki TSUNEMATSU

Hiroki TSUNEMATSU 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).

  • Liquid antiseptic composition and method for producing the same
    Patent number: 9700625
    Abstract: The present invention provides a liquid antiseptic composition including (A) parahydroxybenzoic acid ester and (B) water-miscible organic solvent, wherein the (A) parahydroxybenzoic acid ester are two or more esters selected from the group consisting of methyl parahydroxybenzoate, ethyl parahydroxybenzoate, propyl parahydroxybenzoate, isopropyl parahydroxybenzoate, butyl parahydroxybenzoate, isobutyl parahydroxybenzoate and benzyl parahydroxybenzoate; the (B) water-miscible organic solvent contains (B-1) at least one organic solvent selected from the group consisting of propylene glycol, butylene glycol, ethanol and polyethylene glycol, and (B-2) 2-phenoxyethanol; and a weight ratio of (A) and (B) is 1:1 to 1:3, and a weight ratio of (B-1) and (B-2) is 1:1 to 1:3.
    Type: Grant
    Filed: April 18, 2016
    Date of Patent: July 11, 2017
    Assignee: UENO FINE CHEMICALS INDUSTRY, LTD.
    Inventors: Munehiro Nishimura, Hiroki Tsunematsu, Toshihide Komatsu
  • LIQUID ANTISEPTIC COMPOSITION AND METHOD FOR PRODUCING THE SAME
    Publication number: 20160317663
    Abstract: The present invention provides a liquid antiseptic composition including (A) parahydroxybenzoic acid ester and (B) water-miscible organic solvent, wherein the (A) parahydroxybenzoic acid ester are two or more esters selected from the group consisting of methyl parahydroxybenzoate, ethyl parahydroxybenzoate, propyl parahydroxybenzoate, isopropyl parahydroxybenzoate, butyl parahydroxybenzoate, isobutyl parahydroxybenzoate and benzyl parahydroxybenzoate; the (B) water-miscible organic solvent contains (B-1) at least one organic solvent selected from the group consisting of propylene glycol, butylene glycol, ethanol and polyethylene glycol, and (B-2) 2-phenoxyethanol; and a weight ratio of (A) and (B) is 1:1 to 1:3, and a weight ratio of (B-1) and (B-2) is 1:1 to 1:3.
    Type: Application
    Filed: April 18, 2016
    Publication date: November 3, 2016
    Applicant: UENO FINE CHEMICALS INDUSTRY, LTD.
    Inventors: Munehiro NISHIMURA, Hiroki TSUNEMATSU, Toshihide KOMATSU