Patents by Inventor Akiko Hemmi

Akiko Hemmi 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: 20200392270
    Abstract: A sulfonate group-containing copolymer is provided which comprising a structural unit (a) derived from a sulfonate group-containing monomer (A); a structural unit (b) derived from a (poly)oxyalkylene monomer (B); a structural unit (c) derived from a carboxyl group-containing monomer (C). The sulfonate group-containing copolymer comprises from 20% to 90% by mass in an acid form equivalent of the structural unit (c) in 100% by mass of all the structural units constituting the sulfonate group-containing copolymer. The product (P×Mw×n) of the ratio by mass P of the structural unit (b) to the structural unit (a) multiplied by the weight average molecular weight Mw of the sulfonate group-containing copolymer multiplied by the value n is from 950,000 to 800,000,000.
    Type: Application
    Filed: August 5, 2020
    Publication date: December 17, 2020
    Inventors: Akiko HEMMI, Hirotaka MIZOGUCHI, Rika MATSUMOTO, Xiaoli WANG, Xianling ZHAI, Peng QIN, Xiaoyan LIU
  • Patent number: 10766991
    Abstract: A sulfonate group-containing copolymer is provided which comprising a structural unit (a) derived from a sulfonate group-containing monomer (A); a structural unit (b) derived from a (poly)oxyalkylene monomer (B); a structural unit (c) derived from a carboxyl group-containing monomer (C). The sulfonate group-containing copolymer comprises from 20% to 90% by mass in an acid form equivalent of the structural unit (c) in 100% by mass of all the structural units constituting the sulfonate group-containing copolymer. The product (P×Mw×n) of the ratio by mass P of the structural unit (b) to the structural unit (a) multiplied by the weight average molecular weight Mw of the sulfonate group-containing copolymer multiplied by the value n is from 950,000 to 800,000,000.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: September 8, 2020
    Assignee: NIPPON SHOKUBAI CO., LTD.
    Inventors: Akiko Hemmi, Hirotaka Mizoguchi, Rika Matsumoto, Xiaoli Wang, Xianling Zhai, Peng Qin, Xiaoyan Liu
  • Patent number: 9809784
    Abstract: The present invention relates to a detergent or cleaning composition, preferably a liquid laundry detergent composition, comprising a sulfonate group-containing copolymer, which is useful in improving anti-soil redeposition in high water hardness conditions and whiteness maintenance benefit of such detergent or cleaning composition. Processes for making and methods of using the detergent or cleaning composition are also encompassed by the present invention.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: November 7, 2017
    Assignee: The Procter & Gamble Company
    Inventors: Xiaoli Wang, Xianling Zhai, Peng Qin, Xiaoyan Liu, Akiko Hemmi, Hirotaka Mizoguchi, Rika Matsumoto
  • Publication number: 20170247487
    Abstract: A sulfonate group-containing copolymer is provided which comprising a structural unit (a) derived from a sulfonate group-containing monomer (A); a structural unit (b) derived from a (poly)oxyalkylene monomer (B); a structural unit (c) derived from a carboxyl group-containing monomer (C). The sulfonate group-containing copolymer comprises from 20% to 90% by mass in an acid form equivalent of the structural unit (c) in 100% by mass of all the structural units constituting the sulfonate group-containing copolymer. The product (P×Mw×n) of the ratio by mass P of the structural unit (b) to the structural unit (a) multiplied by the weight average molecular weight Mw of the sulfonate group-containing copolymer multiplied by the value n is from 950,000 to 800,000,000.
    Type: Application
    Filed: September 25, 2014
    Publication date: August 31, 2017
    Inventors: Akiko HEMMI, Hirotaka MIZOGUCHI, Rika MATSUMOTO, Xiaoli WANG, Xianling ZHAI, Peng QIN, Xiaoyan LIU
  • Publication number: 20170081613
    Abstract: A cleaning composition containing an amphiphilic graft polymer and a sulfonate group-containing copolymer is provided, which exhibits significant improved whiteness maintenance benefit when used to treat fabrics.
    Type: Application
    Filed: September 23, 2015
    Publication date: March 23, 2017
    Inventors: Xiaoli WANG, Xianling ZHAI, Peng QIN, Xiaoyan LIU, Mark Allen SMERZNAK, Patrick Christopher STENGER, Bonny Kay LUI, Praveen Kumar DEPA, William Coffin SHEAROUSE, Stacey Lee VOSTERS, Rachel Marie HILER, Akiko HEMMI, Hirotaka MIZOGUCHI, Rika MATSUMOTO
  • Publication number: 20160090554
    Abstract: A cleaning composition containing an alkoxylated polyalkyleneimine and a sulfonate group-containing copolymer is provided, which exhibits significant improved whiteness maintenance benefit when used to treat fabrics.
    Type: Application
    Filed: September 23, 2015
    Publication date: March 31, 2016
    Inventors: Xiaoli WANG, Xianling ZHAI, Peng QIN, Xiaoyan LIU, Mark Allen SMERZNAK, Patrick Christopher STENGER, Bonny Kay LUI, Praveen Kumar DEPA, William Coffin SHEAROUSE, Stacey Lee VOSTERS, Rachel Marie HILER, Akiko HEMMI, Hirotaka MIZOGUCHI, Rika MATSUMOTO
  • Publication number: 20160090553
    Abstract: The present invention relates to a detergent or cleaning composition, preferably a liquid laundry detergent composition, comprising a sulfonate group-containing copolymer, which is useful in improving anti-soil redeposition in high water hardness conditions and whiteness maintenance benefit of such detergent or cleaning composition. Processes for making and methods of using the detergent or cleaning composition are also encompassed by the present invention.
    Type: Application
    Filed: September 23, 2015
    Publication date: March 31, 2016
    Inventors: Xiaoli WANG, Xianling ZHAI, Peng QIN, Xiaoyan LIU, Akiko HEMMI, Hirotaka MIZOGUCHI, Rika MATSUMOTO
  • Patent number: 8957163
    Abstract: Provided is a polymer-based detergent builder which is capable of effectively suppressing deposition of a surfactant, and effectively preventing soil re-deposition, even in washing using high hardness water.
    Type: Grant
    Filed: March 23, 2007
    Date of Patent: February 17, 2015
    Assignee: Nippon Shokubai Co., Ltd.
    Inventors: Atsuro Yoneda, Akiko Hemmi
  • Patent number: 8957010
    Abstract: The present invention relates to a cleaning composition, preferably a granular detergent product, comprising a carboxyl-group containing polymer, which is useful in improving whiteness and/or anti-soil redeposition. Processes for making and methods of using the cleaning composition are also encompassed by the present invention.
    Type: Grant
    Filed: August 15, 2013
    Date of Patent: February 17, 2015
    Assignee: The Procter & Gamble Company
    Inventors: Xiaoli Wang, Brian Joseph Loughnane, Atsuro Yoneda, Akiko Hemmi
  • Patent number: 8916678
    Abstract: To provide: a monomer having a polyalkylene glycol chain preferably used in various industrial applications such as detergent builder compositions for clothes and bodies, water-treatment agents, and pigment dispersants; and a polyalkylene glycol polymer using such a monomer as a raw material. A polyalkylene glycol monomer having a polymerizable double bond and a polyalkylene glycol chain, wherein the polyalkylene glycol monomer has a hydrophobic part in the polyalkylene glycol chain and/or at a terminal of the chain, and the polymerizable double bond is derived from allyl glycidyl ether, and a polyalkylene glycol monomer having a monomer unit derived from the above-mentioned polyalkylene glycol monomer, wherein the polyalkylene glycol polymer is a polyalkylene glycol polymer having a carboxylic acid group and/or a sulfonic acid group.
    Type: Grant
    Filed: September 26, 2006
    Date of Patent: December 23, 2014
    Assignee: Nippon Shokubai Co., Ltd.
    Inventors: Atsuro Yoneda, Akiko Hemmi
  • Patent number: 8809474
    Abstract: The present invention provides a carboxyl group-containing polymer composition that exhibits excellent anti-soil redeposition ability in fabric washing. The carboxyl group-containing polymer composition contains a carboxyl group-containing polymer, which includes specific ratios of a structure unit (a) derived from an acrylic acid-based monomer (A) and a structure unit (b) derived from a sulfonic acid group-containing monomer (B) and has a specific weight average molecular weight, and a specific amount of an adduct of a hydrogen sulfite to the acrylic acid-based monomer (A).
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: August 19, 2014
    Assignee: Nippon Shokubai Co., Ltd.
    Inventors: Atsuro Yoneda, Akiko Hemmi, Brian Joseph Loughnane
  • Publication number: 20140066353
    Abstract: The present invention relates to a cleaning composition, preferably a granular detergent product, comprising a carboxyl-group containing polymer, which is useful in improving whiteness and/or anti-soil redeposition. Processes for making and methods of using the cleaning composition are also encompassed by the present invention.
    Type: Application
    Filed: August 15, 2013
    Publication date: March 6, 2014
    Applicant: The Procter & Gamble Company
    Inventors: Xiaoli WANG, Brian Joseph LOUGHNANE, Atsuro YONEDA, Akiko HEMMI
  • Publication number: 20140066583
    Abstract: The present invention provides a carboxyl group-containing polymer composition that exhibits excellent anti-soil redeposition ability in fabric washing. The carboxyl group-containing polymer composition contains a carboxyl group-containing polymer, which includes specific ratios of a structure unit (a) derived from an acrylic acid-based monomer (A) and a structure unit (b) derived from a sulfonic acid group-containing monomer (B) and has a specific weight average molecular weight, and a specific amount of an adduct of a hydrogen sulfite to the acrylic acid-based monomer (A).
    Type: Application
    Filed: August 31, 2012
    Publication date: March 6, 2014
    Applicant: NIPPON SHOKUBAI CO., LTD
    Inventors: Atsuro Yoneda, Akiko Hemmi, Brian Joseph Loughnane
  • Patent number: 8586687
    Abstract: The present invention has an object to provide a polyalkylene glycol-based polymer having high anti-soil redeposition ability in washing treatment and having high compatibility with surfactants. The polyalkylene glycol-based polymer includes: a structure unit (a) derived from a polyalkylene glycol-based monomer (A) of a specific structure, and a structure unit (b) derived from a carboxyl group-containing monomer (B) at specific ratios.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: November 19, 2013
    Assignee: Nippon Shokubai Co., Ltd.
    Inventors: Atsuro Yoneda, Akiko Hemmi, Sachiko Nakanishi, Daisuke Michitaka
  • Patent number: 8586523
    Abstract: [Problem] To provide detergent compositions with superior surfactant deposition-inhibiting ability and anti-gelling properties that exhibit good cleaning effectiveness even when laundering under harsh conditions such as laundering in residual bath water. [Solution] A laundry detergent or cleaning composition which comprises a copolymer containing sulfonate groups containing from 1 to 50 mass percent of structural units (a) derived from 1 or more kinds of monomers (A) selected from ether bond-containing monomers represented by Formulas (1) and (2), 50 mass % or more and less than 98 mass % of structural units (b) derived from a carboxyl group-containing monomer (B), and 1 mass % or more and less than 50 mass % of structural units (c) de-rived from a sulfonate group-containing monomer (C).
    Type: Grant
    Filed: September 1, 2009
    Date of Patent: November 19, 2013
    Assignee: The Procter & Gamble Company
    Inventors: Jeffrey Scott Dupont, Atsuro Yoneda, Akiko Hemmi
  • Patent number: 8450262
    Abstract: [Objective] This invention is to provide a novel copolymer suitably applicable to a detergent composition having an excellent precipitation inhibitory ability and showing a good washing effect even under severe conditions of washing with water used to take Japanese bath. [Solution] A laundry detergent or cleaning composition which comprises a hydrophobic group-containing copolymer characterized by having 1 wt % or more but below 50 wt % of a structural unit (a) derived from at least one kind of monomer (A) selected from ether bond-containing monomers.
    Type: Grant
    Filed: September 1, 2009
    Date of Patent: May 28, 2013
    Assignee: The Procter & Gamble Company
    Inventors: Jeffrey Scott Dupont, Atsuro Yoneda, Akiko Hemmi
  • Patent number: 8440607
    Abstract: [Problem] To provide detergent compositions with superior surfactant deposition-inhibiting ability and anti-gelling properties that exhibit good cleaning effectiveness even when laundering under harsh conditions such as laundering in residual bath water. [Solution] A laundry detergent or cleaning composition which comprises a copolymer containing sulfonate groups containing from 1 to 50 mass percent of structural units (a) derived from 1 or more kinds of monomers (A) selected from ether bond-containing monomers represented by Formulas (1) and (2), 50 mass % or more and less than 98 mass % of structural units (b) derived from a carboxyl group-containing monomer (B), and 1 mass % or more and less than 50 mass % of structural units (c) de-rived from a sulfonate group-containing monomer (C).
    Type: Grant
    Filed: September 1, 2009
    Date of Patent: May 14, 2013
    Assignee: The Procter & Gamble Company
    Inventors: Jeffrey Scott Dupont, Atsuro Yoneda, Akiko Hemmi
  • Publication number: 20120157656
    Abstract: The present invention has an object to provide a polyalkylene glycol-based polymer that has high anti-soil redeposition ability and high compatibility with surfactants in washing treatment, and a process for producing the same.
    Type: Application
    Filed: December 17, 2010
    Publication date: June 21, 2012
    Applicant: NIPPON SHOKUBAI CO, LTD
    Inventors: Atsuro Yoneda, Akiko Hemmi, Sachiko Nakanishi, Yuki Sano
  • Publication number: 20120157655
    Abstract: The present invention has an object to provide a polyalkylene glycol-based polymer having high anti-soil redeposition ability in washing treatment and having high compatibility with surfactants. The polyalkylene glycol-based polymer includes: a structure unit (a) derived from a polyalkylene glycol-based monomer (A) of a specific structure, and a structure unit (b) derived from a carboxyl group-containing monomer (B) at specific ratios.
    Type: Application
    Filed: December 17, 2010
    Publication date: June 21, 2012
    Applicant: NIPPON SHOKUBAI CO, LTD
    Inventors: Atsuro Yoneda, Akiko Hemmi, Sachiko Nakanishi, Daisuke Michitaka
  • Publication number: 20110251115
    Abstract: [Objective] This invention is to provide a novel copolymer suitably applicable to a detergent composition having an excellent precipitation inhibitory ability and showing a good washing effect even under severe conditions of washing with water used to take Japanese bath. [Solution] A laundry detergent or cleaning composition which comprises a hydrophobic group-containing copolymer characterized by having 1 wt % or more but below 50 wt % of a structural unit (a) derived from at least one kind of monomer (A) selected from ether bond-containing monomers.
    Type: Application
    Filed: September 1, 2009
    Publication date: October 13, 2011
    Inventors: Jeffrey Scott Dupont, Atsuro Yoneda, Akiko Hemmi