Patents by Inventor Yohei Kaneko

Yohei Kaneko 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).

  • Publication number: 20040266657
    Abstract: The present invention provides a thickener which is superior in compounding stability and has high thickening action and a surfactant composition containing the thickener. The present invention relates to a thickener comprising a fatty acid amide ether compound (1) and to a surfactant composition comprising this thickener and at least one surfactant. Namely, the present invention relates to a method of increasing the viscosity of a surfactant by using this thickener.
    Type: Application
    Filed: August 25, 2004
    Publication date: December 30, 2004
    Inventors: Makoto Kubo, Kazuhiro Iitaka, Takaya Sakai, Yoshifumi Nishimoto, Yohei Kaneko
  • Publication number: 20040266647
    Abstract: The present invention relates to a surfactant composition containing a composition containing a diol derivative (I) and a surfactant: 1
    Type: Application
    Filed: April 22, 2004
    Publication date: December 30, 2004
    Inventors: Makoto Kubo, Kazuhiro Iitaka, Yohei Kaneko, Tomoko Uchiyama, Yasuhiro Doi
  • Publication number: 20040142849
    Abstract: A thickener which is superior in handling characteristics and blending stability and has a high thickening action is provided, comprising a fatty acid alkanolamide represented by the general formula (1) and a surfactant composition comprising the thickener and at least one surfactant: 1
    Type: Application
    Filed: October 29, 2003
    Publication date: July 22, 2004
    Applicant: Kao Corporation
    Inventors: Makoto Kubo, Yohei Kaneko
  • Patent number: 6624137
    Abstract: The present invention provides a softener exhibiting a excellent softening effect and a satisfactory biodegradability.
    Type: Grant
    Filed: June 15, 2001
    Date of Patent: September 23, 2003
    Assignee: Kao Corporation
    Inventors: Tohru Katoh, Yohei Kaneko, Yasuki Ohtawa
  • Publication number: 20030176312
    Abstract: The present invention provides a softener composition which contains a softening base having an excellent softening effect and satisfactory biodegradability. That is, the present invention provides the softener composition which comprises (A) a nonionic compound which has at least one C5-36 alkyl or alkenyl group and an amide bond but contains no dissociative group of amino or carboxyl group; and (B) at least one member selected among (B-&agr;) cationic or ampholytic surfactants having one C5-36 alkyl or alkenyl group or one optionally substituted aryl group and (B-&agr;) amino compounds having at least one C5-36 alkyl or alkenyl group and salts of the compounds.
    Type: Application
    Filed: February 20, 2003
    Publication date: September 18, 2003
    Applicant: Kao Corporation
    Inventors: Yasuki Ohtawa, Tohru Katoh, Uichiro Nishimoto, Yoshio Hatayama, Yohei Kaneko
  • Patent number: 6541444
    Abstract: The present invention provides a softener composition which contains a softening base having an excellent softening effect and satisfactory biodegradability. That is, the present invention provides the softener composition that has (A) a nonionic compound which has at least one C5-C36 alkyl or alkenyl group and an amide bond but contains no dissociative group of amino or carboxyl group; and (B) at least one member selected among (B-&agr;) cationic or ampholytic surfactants having one C5-C36 alkyl or alkenyl group or one optionally substituted aryl group and (B-&bgr;) amino compounds, having at least one C5-C36 alkyl or alkenyl group and salts of the compunds.
    Type: Grant
    Filed: December 29, 2000
    Date of Patent: April 1, 2003
    Assignee: Kao Corporation
    Inventors: Yasuki Ohtawa, Tohru Katoh, Uichiro Nishimoto, Yoshio Hatayama, Yohei Kaneko
  • Patent number: 6521588
    Abstract: The present invention provides a softener composition exhibiting an excellent softening effect and high biodegradability. That is, the present invention provides a softener composition having (A) at least one quaternary ammonium salt having at least two C5-C36 alkyl or alkenyl groups which may be interrupted by an ester linkage, amide linkage or ether linkage and (B) a tertiary amino compound (I) a salt thereof or a mixture of the same: wherein R1 and R2 represent a C1-C3 alkyl, hydroxyalkyl, aminoalkyl group or the like and R3 represents a C5-C36 alkyl group which is interrupted by an ester linkage, amide linkage or ether linkage, or the like.
    Type: Grant
    Filed: December 28, 2000
    Date of Patent: February 18, 2003
    Assignee: Kao Corporation
    Inventors: Tohru Katoh, Yasuki Ohtawa, Yohei Kaneko
  • Patent number: 6410502
    Abstract: A softener composition which comprises a component (A) containing an amine represented by the following formula (I), a salt thereof or a mixture of the same and a component (B) containing a compound represented by the following formula (II-2) as the essential component and optionally containing at least one of the compounds represented by the formulae (II-1) and (II-3), wherein the ratio of the component (A) to the component (B), namely (A)/(B), by weight is from 2/8 to 8/2: wherein R1 and R2 are the same or different and each of R1 and R2 represents a hydrogen atom, a C1-3 alkyl group, —(CmH2mO)p—H, —CnH2n—X—R3 or —CqH2q—Y—R3; m, n and q are the same or different and each of m, n and q represents an integer of 1 to 6; p represents a number selected from 1 to 10; R3 represents a linear or branched C5-22 alkyl or alkenyl group; X represents —OCO— or —COO—; and Y represents —NHCO—, —CONH—, —O&
    Type: Grant
    Filed: January 5, 2001
    Date of Patent: June 25, 2002
    Assignee: Kao Corporation
    Inventors: Tohru Katoh, Yasuki Ohtawa, Yohei Kaneko