Patents by Inventor Donna M. LaPetina

Donna M. LaPetina 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).

  • Antidandruff shampoo composition having improved suspension properties
    Patent number: 5154847
    Abstract: An antidandruff shampoo composition includes a suspension composition for particulate matter to achieve an unexpected reduction in shampoo separation while maintaining acceptable shampoo viscosities and foaming levels. The suspension composition includes a suspending alkanolamide and/or a wax ester in conjunction with an ethylene-maleic anhydride resin or a polyacrylic acid resin to yield anionic surfactant-based antidandruff shampoos or improved stability and aesthetics.
    Type: Grant
    Filed: February 20, 1991
    Date of Patent: October 13, 1992
    Assignee: Helene Curtis, Inc.
    Inventors: Donna M. LaPetina, Chaitanya Patel
  • Antidandruff shampoo composition having improved suspension properties
    Patent number: 4830774
    Abstract: An antidandruff shampoo composition includes a suspension composition for particulate matter to achieve an unexpected reduction in shampoo separation while maintaining acceptable shampoo viscosities and foaming levels. The suspension composition includes a suspending alkanolamide and/or a wax ester in conjunction with an ethylene-maleic anhydride resin or a polyacrylic acid resin to yield anionic surfactant-based antidandruff shampoos of improved stability and aesthetics.
    Type: Grant
    Filed: December 11, 1987
    Date of Patent: May 16, 1989
    Assignee: Helene Curtis, Inc.
    Inventors: Donna M. LaPetina, Chaitanya Patel