Patents by Inventor Kazutaka Shiratsuchi

Kazutaka Shiratsuchi 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).

  • Patent number: 8426351
    Abstract: The present invention provides a liquid softener composition having pH 2 to 5 at 20° C. and containing (a) a polymer compound having a weight-average molecular weight of 2,000 to 90,000 and containing specific monomer units (A) and (B) in a specific molar ratio, (b) one or more compounds selected from specific quaternary ammonium salts and amine compounds, and (c) at least one compound selected from water and solvents having a C log P value of 2 or less within specified ranges.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: April 23, 2013
    Assignee: Kao Corporation
    Inventors: Kyoko Okada, Takahiro Osumi, Kazutaka Shiratsuchi, Noriaki Ushio, Kouji Ohsaki
  • Publication number: 20100017970
    Abstract: The present invention provides a liquid softener composition having pH 2 to 5 at 20° C. and containing (a) a polymer compound having a weight-average molecular weight of 2,000 to 90,000 and containing specific monomer units (A) and (B) in a specific molar ratio, (b) one or more compounds selected from specific quaternary ammonium salts and amine compounds, and (c) at least one compound selected from water and solvents having a C log P value of 2 or less within specified ranges.
    Type: Application
    Filed: December 12, 2007
    Publication date: January 28, 2010
    Applicant: KAO CORPORATION
    Inventors: Kyoko Okada, Takahiro Osumi, Kazutaka Shiratsuchi, Noriaki Ushio, Kouji Ohsaki
  • Patent number: 7358219
    Abstract: The present invention provides a liquid deodorant having a high deodorizing effect and lasting ability to a fabric or fabrics. That is, the present invention provides a liquid deodorant which comprises 80 to 99% by weight of water and has a pH of 7.5 to 9.5 at 25° C., 1000 ml of which deodorant may be adjusted to pH 10 at 25° C. with 10 to 200 ml of 0.1 N aqueous NaOH and may be adjusted to pH 7 at 25° C. with 20 to 500 ml of 0.1 N aqueous H2SO4.
    Type: Grant
    Filed: May 11, 2005
    Date of Patent: April 15, 2008
    Assignee: Kao Corporation
    Inventors: Noriko Yamaguchi, Ikuo Sugano, Kazutaka Shiratsuchi, Shuji Tagata
  • Publication number: 20070111923
    Abstract: Provided is a process for preparing a sulfuric acid amine salt (I) represented by the formula (I), which is a neutralization compound between a sulfated compound having a long chain alkyl or alkenyl group and an amine having a long chain alkyl or alkenyl group, useful as softener. wherein R31 is a linear or branched C18-36 alkyl or alkenyl group, or a group represented by the formula R36?(OA)n- (wherein R36 is a linear or branched C12-36 alkyl or alkenyl group, OA is an oxyalkylene group having 2 to 4 carbon atoms and n is a number of from 0.
    Type: Application
    Filed: January 10, 2007
    Publication date: May 17, 2007
    Inventors: Jun Kono, Tomokatsu Kusumi, Akira Sakaguchi, Yasuki Ohtawa, Ikuo Sugano, Kazutaka Shiratsuchi, Shuji Tagata
  • Patent number: 7179783
    Abstract: Provided is a process for preparing a sulfuric acid amine salt (I) represented by the formula (I), which is a neutralization compound between a sulfated compound having a long chain alkyl or alkenyl group and an amine having a long chain alkyl or alkenyl group, useful as softener. wherein R31 is a linear or branched C18-36 alkyl or alkenyl group, or a group represented by the formula R36—(OA)n- (wherein R36 is a linear or branched C12-36 alkyl or alkenyl group, OA is an oxyalkylene group having 2 to 4 carbon atoms and n is a number of from 0.
    Type: Grant
    Filed: January 17, 2006
    Date of Patent: February 20, 2007
    Assignee: Kao Corporation
    Inventors: Jun Kono, Tomokatsu Kusumi, Akira Sakaguchi, Yasuki Ohtawa, Ikuo Sugano, Kazutaka Shiratsuchi, Shuji Tagata
  • Publication number: 20060116314
    Abstract: Provided is a process for preparing a sulfuric acid amine salt (I) represented by the formula (I), which is a neutralization compound between a sulfated compound having a long chain alkyl or alkenyl group and an amine having a long chain alkyl or alkenyl group, useful as softener. wherein R31 is a linear or branched C18-36 alkyl or alkenyl group, or a group represented by the formula R36—(OA)n- (wherein R36 is a linear or branched C12-36 alkyl or alkenyl group, OA is an oxyalkylene group having 2 to 4 carbon atoms and n is a number of from 0.
    Type: Application
    Filed: January 17, 2006
    Publication date: June 1, 2006
    Inventors: Jun Kono, Tomokatsu Kusumi, Akira Sakaguchi, Yasuki Ohtawa, Ikuo Sugano, Kazutaka Shiratsuchi, Shuji Tagata
  • Publication number: 20050208013
    Abstract: The present invention provides a liquid deodorant having a high deodorizing effect and lasting ability to a fabric or fabrics. That is, the present invention provides a liquid deodorant which comprises 80 to 99% by weight of water and has a pH of 7.5 to 9.5 at 25° C., 1000 ml of which deodorant may be adjusted to pH 10 at 25° C. with 10 to 200 ml of 0.1 N aqueous NaOH and may be adjusted to pH 7 at 25° C. with 20 to 500 ml of 0.1 N aqueous H2SO4.
    Type: Application
    Filed: May 11, 2005
    Publication date: September 22, 2005
    Inventors: Noriko Yamaguchi, Ikuo Sugano, Kazutaka Shiratsuchi, Shuji Tagata
  • Publication number: 20040023831
    Abstract: Provided is a process for preparing a sulfuric acid amine salt (I) represented by the formula (I), which is a neutralization compound between a sulfated compound having a long chain alkyl or alkenyl group and an amine having a long chain alkyl or alkenyl group, useful as softener.
    Type: Application
    Filed: April 17, 2003
    Publication date: February 5, 2004
    Inventors: Jun Kono, Tomokatsu Kusumi, Akira Sakaguchi, Yasuki Ohtawa, Ikuo Sugano, Kazutaka Shiratsuchi, Shuji Tagata
  • Patent number: 5282983
    Abstract: An aqueous fabric softener composition is disclosed, which comprises water and, as a softener new material, an ammonium salt obtained by neutralizing the following Compound (A):(A) a di-long chain type tertiary amine compound containing one ##STR1## group in which R represents an alkyl or alkenyl group containing from 11 to 21 carbon atom, one CONH group and one alkyl or alkenyl group containing from 11 to 22 carbon atomswith the following Compound (B):an inorganic acid or an organic acid containing from 1 to 6 carbon atoms,or quaternizing Compound (A), or a mixture of the ammonium salt obtained by neutralizing Compound (A) with Compound (B) and the ammonium salt obtained by quaternizing Compound (A). An ammonium salt obtained by neutralizing or quaternizing Compound (A) is also disclosed. The fabric softener composition of the present invention imparts the sufficient softness, the antistaticity and the resiliency (fluffy feeling) to clothes of various fibers.
    Type: Grant
    Filed: February 21, 1992
    Date of Patent: February 1, 1994
    Assignee: Kao Corporation
    Inventors: Masaaki Yamamura, Junichi Inokoshi, Kazutaka Shiratsuchi, Toru Hayase, Uichiro Nishimoto, Koshiro Sotoya, Tohru Katoh, Yoshifumi Nishimoto, Osamu Tachizawa
  • Patent number: 5242607
    Abstract: A softener composition comprises (a) 7 to 30 wt. % of a neutralization product with an inorganic or organic acid having not more than 6 carbon atoms of one selected from the group consisting of (a-1) an amine compound having 2 or 3 hydrocarbon groups each having 11 to 22 carbon atoms in its molecule and (a-2) an ion complex compound formed from 1 mole of a polyamide having a hydrocarbon group having 11 to 22 carbon atoms and 2 to 5 nitrogen atoms and 1 mole of an aliphatic acid having 12 to 22 carbon atoms and (b) 0.2 to 5 wt. % of one or more polyethers, each being an adduct of an alkylene oxide including ethylene oxide to a compound having 3 or more active hydrogens, which contains 50 wt. % or more of the polyoxyethylene units, having a molecular weight of 5,000 to 2,000,000. It is of the concentrated type and provides clothing with an improved softness and anti-static property.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: September 7, 1993
    Assignee: Kao Corporation
    Inventors: Masaaki Yamamura, Junichi Inokoshi, Kazutaka Shiratsuchi, Toru Hayase
  • Patent number: 5154838
    Abstract: A liquid softener composition comprises water and an amidoamine compound (a) obtained by condensation reaction of a di- or triamine of the general formula (I) with a fatty acid of the general formula (II), or a neutral salt of the amidoamine compound with an inorganic or organic acid:R.sup.1 NH(C.sub.m H.sub.2m NH).sub.n H (I) ##STR1## wherein R.sup.1 represents a straight chain or branched, saturated or unsaturated hydrocarbon group having 8 to 24 carbon atoms, R.sup.2 represents a straight chain or branched, saturated or unsaturated hydrocarbon group having 7 to 23 carbon atoms, m represents 2 or 3, and n represents 1 or 2.
    Type: Grant
    Filed: May 9, 1991
    Date of Patent: October 13, 1992
    Assignee: Kao Corporation
    Inventors: Masaaki Yamamura, Junichi Inokoshi, Kazutaka Shiratsuchi