Patents by Inventor Nobuaki Tatsuta

Nobuaki Tatsuta 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: 7504370
    Abstract: Detergent compositions each of which comprises (A) at least one phosphate ester or a salt thereof represented by the following formula (1): wherein R1 represents a C8-C18 hydrocarbon group, m stands for a number of from 0 to 10 on weight average, X represents H, an alkali metal atom, ammonium, a basic amino acid residual group, or an alkanolamino group having a hydroxy(C2-C3 alkyl) group, and R2 represents —(CH2CH2O)m—R1 or X, or a mixture thereof, and (B) at least one glyceryl ether having a C4-C12 alkyl or alkenyl group. These detergent compositions are low in skin irritation and are good in foaming performance.
    Type: Grant
    Filed: October 22, 2004
    Date of Patent: March 17, 2009
    Assignee: KAO Corporation
    Inventors: Chikako Matsumoto, Nobuaki Tatsuta, Morinobu Fukuda, Tetsuya Miyajima, Kennichi Kasuga
  • Publication number: 20050113281
    Abstract: Detergent compositions each of which comprises (A) at least one phosphate ester or a salt thereof represented by the following formula (1): wherein R1 represents a C8-C18 hydrocarbon group, m stands for a number of from 0 to 10 on weight average, X represents H, an alkali metal atom, ammonium, a basic amino acid residual group, or an alkanolamino group having a hydroxy(C2-C3 alkyl) group, and R2 represents —(CH2CH2O)m—R1 or X, or a mixture thereof, and (B) at least one glyceryl ether having a C4-C12 alkyl or alkenyl group. These detergent compositions are low in skin irritation and are good in foaming performance.
    Type: Application
    Filed: October 22, 2004
    Publication date: May 26, 2005
    Applicant: KAO CORPORATION
    Inventors: Chikako Matsumoto, Nobuaki Tatsuta, Morinobu Fukuda, Tetsuya Miyajima, Kennichi Kasuga
  • Patent number: 6855677
    Abstract: Detergent compositions each of which comprises (A) at least one phosphate ester or a salt thereof represented by the following formula (1): wherein R1 represents a C8-C18 hydrocarbon group, m stands for a number of from 0 to 10 on weight average, X represents H, an alkali metal atom, ammonium, a basic amino acid residual group, or an alkanolamino group having a hydroxy(C2-C3 alkyl) group, and R2 represents —(CH2CH2O)m—R1 or X, or a mixture thereof, and (B) at least one glyceryl ether having a C4-C12 alkyl or alkenyl group. These detergent compositions are low in skin irritation and are good in foaming performance.
    Type: Grant
    Filed: October 11, 2000
    Date of Patent: February 15, 2005
    Assignee: Kao Corporation
    Inventors: Chikako Matsumoto, Nobuaki Tatsuta, Morinobu Fukuda, Tetsuya Miyajima, Kennichi Kasuga