Patents by Inventor Kazuhiro Takanashi

Kazuhiro Takanashi 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 oxygenic bleaching composition
    Patent number: 5118436
    Abstract: A liquid bleaching composition is acidic with a PH value of 1.5 to 6 and improved in stability. It comprises:(a) 0.5 to 10% by weight of hydrogen peroxide,(b) 0.1 to 20% by weight of an anionic surfactant,(c) 0.1 to 20% by weight of a nonionic surfactant,(d) 0.05 to 5% by weight of a polyacrylic acid having an average molecular weight of 1,000 to 100,000 or a salt thereof and/or a maleic polymer having an average molecular weight of 500 to 100,000, and(e) 0.0001 to 1% by weight of a polyphosphoric acid, a salt thereof, an amino phosphonic acid, a salt thereof, or a diphosphonic acid or a salt thereof.
    Type: Grant
    Filed: November 28, 1990
    Date of Patent: June 2, 1992
    Assignee: Kao Corporation
    Inventors: Muneo Aoyagi, Kazuhiro Takanashi
  • Bleaching composition
    Patent number: 5059344
    Abstract: A bleaching composition comprises a peroxide and an amphoteric organic per acid precursor. In particular the amphoteric organic per acid precursor is a quaternary ammonium salt has the following formula in which Z is sulfonate or carboxylate and is a new compound.
    Type: Grant
    Filed: March 20, 1990
    Date of Patent: October 22, 1991
    Assignee: Kao Corporation
    Inventors: Muneo Aoyagi, Kazuhiro Takanashi, Hiroyuki Araki, Moriyasu Murata, Kohshiro Sotoya, Nobuyuki Ogura, Masaaki Yamamura
  • Quaternary ammonium salts of dicyano substituted teriary alkylene diamines as bleach activators
    Patent number: 4978770
    Abstract: A bleaching composition comprises (a) a peroxide and (b) an organic peracid precursor having at least one group selected from (b-1) and (b-2) and then further comprises a detergent component(s).
    Type: Grant
    Filed: March 30, 1990
    Date of Patent: December 18, 1990
    Assignee: Kao Corporation
    Inventors: Muneo Aoyagi, Kazuhiro Takanashi, Masaaki Yamamura, Moriyasu Murata, Hiroyuki Yamada, Hiroyuki Araki, Takanori Fukumoto
  • Bleaching composition
    Patent number: 4933103
    Abstract: A bleaching composition comprises a peroxide and an amphoteric organic per acid precursor. In particular the amphoteric organic per acid precursor is a quaternary ammonium salt has the following formula in which Z is sulfonate or carboxylate and is a new compound.
    Type: Grant
    Filed: March 11, 1988
    Date of Patent: June 12, 1990
    Assignee: Kao Corporation
    Inventors: Muneo Aoyagi, Kazuhiro Takanashi, Hiroyuki Araki, Moriyasu Murata, Kohshiro Sotoya, Nobuyuki Ogura, Masaaki Yamamura
  • Bleaching composition
    Patent number: 4915863
    Abstract: A bleaching composition comprises (a) a peroxide and (b) an organic peracid precursor having at least one group selected from (b-1) and (b-2) and then further comprises a detergent component(s).
    Type: Grant
    Filed: August 8, 1988
    Date of Patent: April 10, 1990
    Assignee: Kao Corporation
    Inventors: Muneo Aoyagi, Kazuhiro Takanashi, Masaaki Yamamura, Moriyasu Murata, Hiroyuki Yamada, Hiroyuki Araki, Takanori Fukumoto
  • Liquid oxygenic bleaching composition
    Patent number: RE35000
    Abstract: A liquid bleaching composition is acidic with a .[.PH.]. .Iadd.pH .Iaddend.value of 1.5 to 6 and improved in stability. It comprises:(a) 0.5 to 10% by weight of hydrogen peroxide,(b) 0.1 to 20% by weight of an anionic surfactant,(c) 0.1 to 20% by weight of a nonionic surfactant,(d) 0.05 to 5% by weight of a polyacrylic acid having an average molecular weight of 1,000 to 100,000 or a salt thereof and/or a maleic polymer having an average molecular weight of 500 to 100,000, and(e) 0.0001 to 1% by weight of a polyphosphoric acid, a salt thereof, an amino phosphonic acid, a salt thereof, or a diphosphonic acid or a salt thereof.
    Type: Grant
    Filed: June 28, 1993
    Date of Patent: July 25, 1995
    Inventors: Muneo Aoyagi, Kazuhiro Takanashi