Patents by Inventor Linda A. Halas

Linda A. Halas 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).

  • Stable liquid detergents containing anionic surfactant and monosulfonated brightener
    Patent number: 4978475
    Abstract: Stable isotropic liquid laundry detergents containing anionic surfactant and monosulfonated brightener to reduce brightener staining of fabrics. Monosulfonated naphthotriazolyl stilbene brighteners are preferred.
    Type: Grant
    Filed: September 5, 1989
    Date of Patent: December 18, 1990
    Assignee: The Procter & Gamble Company
    Inventor: Linda A. Halas
  • Stable liquid detergent containing anionic surfactant and monosulfonated brightener
    Patent number: 4970029
    Abstract: Stable isotropic liquid laundry detergents containing anionic surfactant and monosulfonated brightener to reduce brightener staining of fabrics. Monosulfonated naphthotriazolyl stilbene brighteners are preferred.
    Type: Grant
    Filed: February 26, 1988
    Date of Patent: November 13, 1990
    Assignee: The Procter & Gamble Company
    Inventor: Linda A. Halas
  • Stable liquid detergents containing anionic surfactant and monosulfonated brightener
    Patent number: 4559169
    Abstract: Stable isotropic liquid laundry detergents containing anionic surfactant and sodium 4,4'-bis((4-anilino-6-morpholino-1,3,5-triazin-2-yl)-amino)-2-stilbenesulf onate to reduce brightener staining of fabrics while maintaining fabric whiteness.
    Type: Grant
    Filed: August 17, 1984
    Date of Patent: December 17, 1985
    Assignee: The Procter & Gamble Company
    Inventors: Jean Wevers, Linda A. Halas, Philippe R. Peltre
  • Alkaline dishwasher detergent
    Patent number: 4191661
    Abstract: Alkaline dishwasher detergent composition having a specific critical pH, and a relatively high level of available chlorine, buffered with trisodium phosphate, containing a tripolyphosphate or pyrophosphate sequestering builder, and having a relatively high level of surfactant. The detergent composition is substantially free of highly alkaline materials and organic builders and preferably contains 2.0r alkali metal silicate and/or a preferred C.sub.17 -C.sub.19 polyethoxylate surfactant.
    Type: Grant
    Filed: November 7, 1977
    Date of Patent: March 4, 1980
    Assignee: The Procter & Gamble Company
    Inventors: Linda A. Halas, Lawrence A. Gilbert, Robert A. Staab, Royal D. Collins, Charles R. Ries
  • Surfactant for an automatic dishwasher
    Patent number: 4188305
    Abstract: A surfactant which is the condensation product of a fatty alcohol containing from 17 to 19 carbon atoms with from about 6 to about 15 moles of ethylene oxide, the distribution of the ethylene oxide condensation products being such as to give more than about 50% by weight within .+-.2 ethylene oxide moieties of the average, preferably, no single condensation product (a single specific number of ethylene oxide moieties) constituting more than 50% by weight of the product; automatic dishwasher compositions containing said surfactant.
    Type: Grant
    Filed: December 22, 1977
    Date of Patent: February 12, 1980
    Assignee: The Procter & Gamble Company
    Inventor: Linda A. Halas