Patents by Inventor Riaz Rizvi

Riaz Rizvi 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).

  • Hair styling gels
    Publication number: 20020004035
    Abstract: Hair styling gels containing a carboxylated polyurethane resin, a viscosity enhancer, and an optional second hair fixative resin, in an aqueous carrier, are disclosed. The styling gel compositions impart excellent hair styling, conditioning, and hair set retention properties to treated hair.
    Type: Application
    Filed: July 2, 2001
    Publication date: January 10, 2002
    Applicant: Helene Curtis, Inc.
    Inventors: Darshna Bhatt, Riaz Rizvi, Ramiro Galleguillos
  • Hair styling gels
    Patent number: 6274129
    Abstract: Hair styling gels containing a carboxylated polyurethane resin, a viscosity enhancer, and an optional second hair fixative resin, in an aqueous carrier, are disclosed. The styling gel compositions impart excellent hair styling, conditioning, and hair set retention properties to treated hair.
    Type: Grant
    Filed: June 20, 2000
    Date of Patent: August 14, 2001
    Assignee: Helene Curtis, Inc.
    Inventors: Darshna Bhatt, Riaz Rizvi, Ramiro Galleguillos
  • Hair styling gels
    Patent number: 6132704
    Abstract: Hair styling gels containing a carboxylated polyurethane resin, a viscosity enhancer, and an optional second hair fixative resin, in an aqueous carrier, are disclosed. The styling gel compositions impart excellent hair styling, conditioning, and hair set retention properties to treated hair.
    Type: Grant
    Filed: September 20, 1996
    Date of Patent: October 17, 2000
    Assignee: Helene Curtis, Inc.
    Inventors: Darshna Bhatt, Riaz Rizvi, Ramiro Galleguillos
  • Stable conditioning shampoo containing polyethyleneimine and a fatty acid
    Patent number: 5360581
    Abstract: A conditioning shampoo containing an anionic surfactant, polyethyleneimine, a long chain fatty acid, and a non-volatile silicone material has extended product stability, excellent cleansing and foaming properties, and provides excellent and improved overall conditioning to human hair, particularly superior wet and dry combing properties.
    Type: Grant
    Filed: May 17, 1993
    Date of Patent: November 1, 1994
    Assignee: Helene Curtis, Inc.
    Inventors: Riaz Rizvi, Chaitanya Patel
  • Stable conditioning shampoo containing fatty acid
    Patent number: 5248445
    Abstract: A conditioning shampoo containing an anionic surfactant, a long-chain fatty acid, and a non-volatile silicone material has extended product stability, excellent cleansing and foaming properties, and provides excellent and improved overall conditioning to human hair, particularly superior wet and dry combing properties.
    Type: Grant
    Filed: June 29, 1992
    Date of Patent: September 28, 1993
    Assignee: Helene Curtis, Inc.
    Inventors: Riaz Rizvi, Chaitanya Patel