Patents by Inventor Rie Tsuchiya

Rie Tsuchiya 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).

  • Plaque-inhibiting oral compositions
    Patent number: 6413501
    Abstract: The present invention relates to oral compositions comprising plaque-inhibiting or plaque-removing enzymes, in particular at least one starch-hydrolysing enzyme, e.g. an &agr;-amylase or a debranching enzyme such as a pullulanase, and/or at least one starch-modifying enzyme, e.g. a transglucosidase or a CGTase, and to a method for inhibiting plaque formation or removing plaque using such oral compositions.
    Type: Grant
    Filed: October 16, 1998
    Date of Patent: July 2, 2002
    Assignee: Novozymes A/S
    Inventor: Rie Tsuchiya
  • Tooth bleaching
    Patent number: 6379653
    Abstract: The present invention provides safe products for bleaching teeth. Oral compositions comprising at least one oxidoreductase fulfil criteria without the presence of peroxide or with only very little peroxide present. The invention also relates to an oral care product comprising the oral composition of the invention, a method of bleaching teeth, a method for using said oral care products and the use of oxidoreductases for oxidation of teeth stains.
    Type: Grant
    Filed: August 27, 1999
    Date of Patent: April 30, 2002
    Assignee: Novozymes A/S
    Inventors: Dorrit Aaslyng, Rie Tsuchiya, Abdul Gaffar, Sahar F. Smith
  • PLAQUE-INHIBITING ORAL COMPOSITIONS
    Publication number: 20020006385
    Abstract: The present invention relates to oral compositions comprising plaque-inhibiting or plaque-removing enzymes, in particular at least one starch-hydrolysing enzyme, e.g. an &agr;-amylase or a debranching enzyme such as a pullulanase, and/or at least one starch-modifying enzyme, e.g. a transglucosidase or a CGTase, and to a method for inhibiting plaque formation or removing plaque using such oral compositions.
    Type: Application
    Filed: October 16, 1998
    Publication date: January 17, 2002
    Applicant: Novozymes A/S
    Inventor: RIE TSUCHIYA
  • Cellulose binding domains (CBDs) for oral care products
    Patent number: 6264925
    Abstract: The present invention relates to an oral care composition comprising a Cellulose Binding Domain and further ingredient conventionally used in oral care compositions, oral care products, and the use of CBDs for oral care purposes.
    Type: Grant
    Filed: April 8, 1999
    Date of Patent: July 24, 2001
    Assignee: Novozymes A/S
    Inventors: Claus Crone Fuglsang, Rie Tsuchiya
  • Compositions for the removal of dental plaque
    Patent number: 6254856
    Abstract: The present invention relates to oral care compositions and products comprising a dextranase and a mutanase, and optionally other enzymes.
    Type: Grant
    Filed: October 2, 1998
    Date of Patent: July 3, 2001
    Assignee: Novo Nordisk, A/S
    Inventor: Rie Tsuchiya
  • Starch binding domains (SBDs) for oral care products
    Patent number: 6207149
    Abstract: The present invention relates to an oral care composition comprising a Starch Binding Domain and further ingredients conventionally used in oral care compositions, oral care products, and the use of SBDs for oral care purposes.
    Type: Grant
    Filed: March 25, 1999
    Date of Patent: March 27, 2001
    Assignee: Novo Nordisk A/S
    Inventors: Claus Crone Fuglsang, Rie Tsuchiya
  • Reduction of malodour
    Patent number: 6080391
    Abstract: The present invention relates to the use of one or more oxidoreductases in combination with a mediator for the reduction of malodour. Malodour reducing compositions and products comprising such composition are also claimed.
    Type: Grant
    Filed: August 13, 1998
    Date of Patent: June 27, 2000
    Assignee: Novo Nordisk A/S
    Inventors: Rie Tsuchiya, Bent Riber Petersen
  • Reduction of malodour
    Patent number: 6074631
    Abstract: The present invention relates to the use of one or more oxidoreductases in combination with a mediator for the reduction of malodor. Malodor reducing compositions and products comprising such composition are also claimed.
    Type: Grant
    Filed: October 6, 1998
    Date of Patent: June 13, 2000
    Assignee: Novo Nordisk A/S
    Inventors: Rie Tsuchiya, Bent Riber Petersen, S.o slashed.ren Christensen
  • Tooth bleaching
    Patent number: 5989526
    Abstract: The present invention provides safe products for bleaching teeth. Oral compositions comprising at least one oxidoreductase fulfil said criteria without the presence of peroxide or with only very little peroxide present. The invention also relates to an oral care product comprising the oral composition of the invention, a method of bleaching teeth, a method for using said oral care products and the use of oxidoreductases for oxidation of teeth stains.
    Type: Grant
    Filed: February 5, 1998
    Date of Patent: November 23, 1999
    Assignees: Novo Nordisk A/S, Colgate-Palmolive Company
    Inventors: Dorrit Aaslyng, Rie Tsuchiya, Abdul Gaffar, Sahar F. Smith