Patents by Inventor Yasuhiro Doi

Yasuhiro Doi 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: 10328008
    Abstract: Provided are an internal olefin sulfonate composition which is capable of sufficiently enhancing foamability, foam dissipation property free from a slimy feeling during rinsing, and a feel after cleansing and subsequent drying, and a cleansing composition containing the same. The internal olefin sulfonate composition comprises (A) an internal olefin sulfonate having 16 carbon atoms and (B) an internal olefin sulfonate having 12 carbon atoms, in which a content mass ratio of the component (A) to the component (B), (A/B), is from 10/90 to 90/10.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: June 25, 2019
    Assignee: KAO CORPORATION
    Inventors: Yohei Yoshikawa, Yoshinori Mitsuda, Hiroshi Hori, Yasuhiro Doi, Yoshifumi Nishimoto
  • Patent number: 10201488
    Abstract: Provided is an internal olefin sulfonate composition which is capable of exerting good foamability together with good volume of foam, foaming speed, foam dissipation property, foam quality, foam durability in the presence of sebum, and volume of foam in the presence of sebum at high levels, and a cleansing composition containing the same. The internal olefin sulfonate composition of the present invention comprises (A) an internal olefin sulfonate having 16 carbon atoms and (B) an internal olefin sulfonate having 18 carbon atoms, wherein a mass content ratio (A/B) of component (A) to component (B) is from 75/25 to 90/10, and wherein a mass ratio (hydroxy form/olefin form) of a content of a hydroxy form in the internal olefin sulfonate of the component (A) and the component (B) to a content of an olefin form in the internal olefin sulfonate of the component (A) and the component (B) is from 75/25 to 100/0.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: February 12, 2019
    Assignee: KAO CORPORATION
    Inventors: Yohei Yoshikawa, Yoshinori Mitsuda, Hiroshi Hori, Yoshifumi Nishimoto, Yasuhiro Doi
  • Patent number: 10196587
    Abstract: The present invention provides a cleansing composition for skin or hair which can provide a good durability of foam and rinse feel, give good combability and softness from during rinsing to after drying while imparting manageability to hair when the cleansing composition is applied to hair, and give good moist feeling to skin when the cleansing composition is applied to skin. The cleansing composition for skin or hair is a cleansing composition comprising an internal olefin sulfonate (A) having 12 or more and 24 or less carbon atoms.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: February 5, 2019
    Assignee: KAO CORPORATION
    Inventor: Yasuhiro Doi
  • Publication number: 20190016992
    Abstract: Provided is a surfactant composition capable of ensuring high fluidity and excellent storage stability while containing a high amount of an internal olefin sulfonate having 16 or more and 18 or less carbon atoms. The present invention relates to a surfactant composition comprising the following components (A), (B), and (C): (A) 63.0% by mass or more and 70.0% by mass or less of an internal olefin sulfonate having 16 or more and 18 or less carbon atoms, (B) 0.2% by mass or more and 1.8% by mass or less of an amphoteric surfactant, and (C) water, in which the total content of the component (A) and the component (B) is 64.0% by mass or more and 70.8% by mass or less.
    Type: Application
    Filed: December 10, 2015
    Publication date: January 17, 2019
    Applicant: KAO CORPORATION
    Inventor: Yasuhiro DOI
  • Publication number: 20180371360
    Abstract: Provided is a surfactant composition capable of ensuring high fluidity and excellent storage stability while containing a high amount of an internal olefin sulfonate having 16 or more and 18 or less carbon atoms. The present invention relates to a surfactant composition comprising the following components (A), (B), and (C): (A) 60.0% by mass or more and 71.0% by mass or less of an internal olefin sulfonate having 16 or more and 18 or less carbon atoms, (B) 0.5% by mass or more and 7.5% by mass or less of one or more anionic surfactants selected from the group consisting of (B-1) a fatty acid or a salt thereof, and (B-2) a compound, (B-3) a compound, and (B-4) a compound represented by specific formulas, and (C) water, in which the total content of the component (A) and the component (B) is 66.2% by mass or more and 71.2% by mass or less.
    Type: Application
    Filed: December 10, 2015
    Publication date: December 27, 2018
    Applicant: KAO CORPORATION
    Inventor: Yasuhiro DOI
  • Publication number: 20180353411
    Abstract: Provided is a surfactant composition capable of securing high fluidity and excellent storage stability while containing a high amount of an internal olefin sulfonate having 16 or more and 18 or less carbon atoms. The present invention relates to a surfactant composition comprising the following components (A), (B), and (C): (A) 45.0% by mass or more 70.0% by mass or less of an internal olefin sulfonate having 16 or more and 18 or less carbon atoms, (B) 0.5% by mass or more 25.0% by mass or less of an alpha-olefin sulfonate having 12 or more and 14 or less carbon atoms, and (C) water, in which the total content of the component (A) and the component (B) is 66.0% by mass or more and 71.0% by mass or less.
    Type: Application
    Filed: December 10, 2015
    Publication date: December 13, 2018
    Applicant: KAO CORPORATION
    Inventor: Yasuhiro DOI
  • Patent number: 10071039
    Abstract: Provided is a cleansing composition for skin or hair which can provide a good durability of foam and rinse feel and can enhance the combing property of hair after rinsing and the manageability after drying in application to the hair and can impart a sufficient moist feeling to skin in application to the skin. A cleansing composition for skin or hair, comprising the following (A) and (B): (A) an internal olefin sulfonate having 12 or more and 24 or less carbon atoms; and (B) an oil solution having a solubility of from 0 to 1 g in 100 g of water at 20° C.
    Type: Grant
    Filed: September 19, 2013
    Date of Patent: September 11, 2018
    Assignee: KAO CORPORATION
    Inventors: Yasuhiro Doi, Takayuki Nomura
  • Patent number: 10039702
    Abstract: Provided is a cleansing composition for skin or hair capable of bringing about a good rinse feel and durability of foam and, in regard to hair, imparting finger combability during rinsing as well as softness to hair during rinsing and after towel drying, and further, imparting a sufficient moist feeling also to skin after application. A cleansing composition for skin or hair, comprising the following (A) and (B): (A) an internal olefin sulfonate having 12 or more and 24 or less carbon atoms; and (B) a cationic polymer or an amphoteric polymer.
    Type: Grant
    Filed: September 19, 2013
    Date of Patent: August 7, 2018
    Assignee: KAO CORPORATION
    Inventors: Ryosuke Fujii, Yasuhiro Doi
  • Patent number: 9877907
    Abstract: Provided are an internal olefin sulfonate composition which is capable of sufficiently enhancing foamability, light foam quality, and instantaneous foam dissipation property, and a cleansing composition containing the internal olefin sulfonate composition. The internal olefin sulfonate composition comprises (A) an internal olefin sulfonate having 12 carbon atoms and (B) an internal olefin sulfonate having 14 carbon atoms, wherein a content mass ratio of the component (A) to the component (B), (A/B), is from 10/90 to 90/10, and a total content of the component (A) and the component (B) in the internal olefin sulfonate is from 60 to 100% by mass.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: January 30, 2018
    Assignee: KAO CORPORATION
    Inventors: Yohei Yoshikawa, Yoshinori Mitsuda, Hiroshi Hori, Yasuhiro Doi
  • Patent number: 9877906
    Abstract: There is provided a cleansing composition for skin or hair which can provide a good durability of foam and rinse feel, enhance combing property of the hair during rinsing to impart softness to the hair, and impart a refreshing feeling upon application to the skin without causing stickiness. A cleansing composition for skin or hair contains the following (A) and (B): (A) an internal olefin sulfonate having 12 or more and 24 or less carbon atoms; and (B) an anionic surfactant having no sulfate group except the internal olefin sulfonate (A) and an anionic surfactant having two or more carboxylic acid groups.
    Type: Grant
    Filed: September 19, 2013
    Date of Patent: January 30, 2018
    Assignee: KAO CORPORATION
    Inventors: Yasuhiro Doi, Tomoko Uchiyama
  • Patent number: 9861567
    Abstract: Provided are an internal olefin sulfonate composition which is capable of sufficiently enhancing foamability, foam spreadability, and foam dissipation property, and a cleansing composition containing the same. The internal olefin sulfonate composition comprises (A) an internal olefin sulfonate having 16 carbon atoms and (B) an internal olefin sulfonate having 14 carbon atoms, wherein a content mass ratio of the component (A) to the component (B), (A/B), is from 10/90 to 70/30, and a content of the internal olefin sulfonate having 18 or more carbon atoms is 5% by mass or less.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: January 9, 2018
    Assignee: KAO CORPORATION
    Inventors: Yohei Yoshikawa, Yoshinori Mitsuda, Hiroshi Hori, Yasuhiro Doi
  • Patent number: 9861566
    Abstract: Provided are an internal olefin sulfonate composition which is capable of sufficiently enhancing foamability, foam lubricity and volume of foam, and a cleansing composition containing the same. The internal olefin sulfonate composition comprises (A) an internal olefin sulfonate having 16 carbon atoms and (B) an internal olefin sulfonate having 14 carbon atoms, in which a content mass ratio of the component (A) to the component (B), (A/B), is from 80/20 to 90/10.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: January 9, 2018
    Assignee: KAO CORPORATION
    Inventors: Yohei Yoshikawa, Yoshinori Mitsuda, Hiroshi Hori, Yasuhiro Doi
  • Publication number: 20170340541
    Abstract: Provided are an internal olefin sulfonate composition which is capable of sufficiently enhancing foamability, foam dissipation property free from a slimy feeling during rinsing, and a feel after cleansing and subsequent drying, and a cleansing composition containing the same. The internal olefin sulfonate composition comprises (A) an internal olefin sulfonate having 16 carbon atoms and (B) an internal olefin sulfonate having 12 carbon atoms, in which a content mass ratio of the component (A) to the component (B), (A/B), is from 10/90 to 90/10.
    Type: Application
    Filed: August 10, 2017
    Publication date: November 30, 2017
    Applicant: KAO CORPORATION
    Inventors: Yohei YOSHIKAWA, Yoshinori MITSUDA, Hiroshi HORI, Yasuhiro DOI
  • Patent number: 9789045
    Abstract: Provided are an internal olefin sulfonate composition which is capable of sufficiently enhancing foamability, foam dissipation property free from a slimy feeling during rinsing, and a feel after cleansing and subsequent drying, and a cleansing composition containing the same. The internal olefin sulfonate composition comprises (A) an internal olefin sulfonate having 16 carbon atoms and (B) an internal olefin sulfonate having 12 carbon atoms, in which a content mass ratio of the component (A) to the component (B), (A/B), is from 10/90 to 90/10.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: October 17, 2017
    Assignee: KAO CORPORATION
    Inventors: Yohei Yoshikawa, Yoshinori Mitsuda, Hiroshi Hori, Yasuhiro Doi
  • Publication number: 20170281498
    Abstract: Provided is an internal olefin sulfonate composition which is capable of exerting good foamability together with good volume of foam, foaming speed, foam dissipation property, foam quality, foam durability in the presence of sebum, and volume of foam in the presence of sebum at high levels, and a cleansing composition containing the same. The internal olefin sulfonate composition of the present invention comprises (A) an internal olefin sulfonate having 16 carbon atoms and (B) an internal olefin sulfonate having 18 carbon atoms, wherein a mass content ratio (A/B) of component (A) to component (B) is from 75/25 to 90/10, and wherein a mass ratio (hydroxy form/olefin form) of a content of a hydroxy form in the internal olefin sulfonate of the component (A) and the component (B) to a content of an olefin form in the internal olefin sulfonate of the component (A) and the component (B) is from 75/25 to 100/0.
    Type: Application
    Filed: June 16, 2017
    Publication date: October 5, 2017
    Applicant: KAO CORPORATION
    Inventors: Yohei YOSHIKAWA, Yoshinori MITSUDA, Hiroshi HORI, Yoshifumi NISHIMOTO, Yasuhiro DOI
  • Publication number: 20170246096
    Abstract: The present invention provides a cleansing composition for skin or hair which can provide a good durability of foam and rinse feel, give good combability and softness from during rinsing to after drying while imparting manageability to hair when the cleansing composition is applied to hair, and give good moist feeling to skin when the cleansing composition is applied to skin. The cleansing composition for skin or hair is a cleansing composition comprising an internal olefin sulfonate (A) having 12 or more and 24 or less carbon atoms.
    Type: Application
    Filed: May 12, 2017
    Publication date: August 31, 2017
    Applicant: KAO CORPORATION
    Inventor: Yasuhiro DOI
  • Patent number: 9725676
    Abstract: The present invention provides a cleansing composition for skin or hair which can provide a good durability of foam and rinse feel, give good combability and softness from during rinsing to after drying while imparting manageability to hair when the cleansing composition is applied to hair, and give good moist feeling to skin when the cleansing composition is applied to skin. The cleansing composition for skin or hair is a cleansing composition comprising an internal olefin sulfonate (A) having 12 or more and 24 or less carbon atoms.
    Type: Grant
    Filed: September 19, 2013
    Date of Patent: August 8, 2017
    Assignee: KAO CORPORATION
    Inventor: Yasuhiro Doi
  • Patent number: 9713584
    Abstract: Provided is an internal olefin sulfonate composition which is capable of exerting good foamability together with good volume of foam, foaming speed, foam dissipation property, foam quality, foam durability in the presence of sebum, and volume of foam in the presence of sebum at high levels, and a cleansing composition containing the same. The internal olefin sulfonate composition of the present invention comprises (A) an internal olefin sulfonate having 16 carbon atoms and (B) an internal olefin sulfonate having 18 carbon atoms, wherein a mass content ratio (A/B) of component (A) to component (B) is from 75/25 to 90/10, and wherein a mass ratio (hydroxy form/olefin form) of a content of a hydroxy form in the internal olefin sulfonate of the component (A) and the component (B) to a content of an olefin form in the internal olefin sulfonate of the component (A) and the component (B) is from 75/25 to 100/0.
    Type: Grant
    Filed: September 19, 2013
    Date of Patent: July 25, 2017
    Assignee: KAO CORPORATION
    Inventors: Yohei Yoshikawa, Yoshinori Mitsuda, Hiroshi Hori, Yoshifumi Nishimoto, Yasuhiro Doi
  • Publication number: 20170172881
    Abstract: Provided are an internal olefin sulfonate composition which is capable of sufficiently enhancing foamability, light foam quality, and instantaneous foam dissipation property, and a cleansing composition containing the internal olefin sulfonate composition. The internal olefin sulfonate composition comprises (A) an internal olefin sulfonate having 12 carbon atoms and (B) an internal olefin sulfonate having 14 carbon atoms, wherein a content mass ratio of the component (A) to the component (B), (A/B), is from 10/90 to 90/10, and a total content of the component (A) and the component (B) in the internal olefin sulfonate is from 60 to 100% by mass.
    Type: Application
    Filed: March 6, 2017
    Publication date: June 22, 2017
    Applicant: KAO CORPORATION
    Inventors: Yohei YOSHIKAWA, Yoshinori MITSUDA, Hiroshi HORI, Yasuhiro DOI
  • Patent number: 9683198
    Abstract: The present invention provides a cleansing composition for skin or hair which can provide a good durability of foam and rinse feel, give good combability and softness from during rinsing to after drying while imparting manageability to hair when the cleansing composition is applied to hair, and give good moist feeling to skin when the cleansing composition is applied to skin. The cleansing composition for skin or hair is a cleansing composition comprising an internal olefin sulfonate (A) having 12 or more and 24 or less carbon atoms.
    Type: Grant
    Filed: September 19, 2013
    Date of Patent: June 20, 2017
    Assignee: KAO CORPORATION
    Inventor: Yasuhiro Doi