Patents by Inventor Tammy W. Gaffney

Tammy W. Gaffney 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: 6365140
    Abstract: Disclosed are novel aqueous modified starch solutions, such solutions can contain high levels of the modified starch and remain stable such that on standing, the solution does not form a precipitate, become a non pourable gel, separate or spoil due to attack from microorganisms. The use of the novel aqueous modified starch solutions in a cosmetically acceptable medium for the treatment of a keratin-containing substrate is also disclosed.
    Type: Grant
    Filed: November 20, 2000
    Date of Patent: April 2, 2002
    Assignee: Calgon Corporation
    Inventors: Allan L. Melby, Manfred Gunther, Tammy W. Gaffney, Gary F. Matz
  • Patent number: 6069142
    Abstract: Synergistic antimicrobial combinations comprising 4,5-dichloro-2-N-octyl-4-isothiazolin-3-one and a mixture of a chlorinated isocyanurate and a bromide compound are disclosed. Methods for inhibiting microbial growth using these synergistic antimicrobial combinations are also disclosed.
    Type: Grant
    Filed: December 23, 1998
    Date of Patent: May 30, 2000
    Assignee: Calgon Corporation
    Inventors: Tammy W. Gaffney, Christopher L. Wiatr
  • Patent number: 5985934
    Abstract: Synergistic antimicrobial combinations consisting essentially of comprising 2,4,4'-trichloro-2'-hydroxydiphenyl ether and 1,2-dibromo-2,4-dicyanobutane are disclosed. Methods for inhibiting microbial growth using these synergistic antimicrobial combinations are also disclosed.
    Type: Grant
    Filed: April 22, 1996
    Date of Patent: November 16, 1999
    Assignee: Calgon Corporation
    Inventors: Tammy W. Gaffney, Allan L. Melby
  • Patent number: 5641808
    Abstract: Synergistic antimicrobial combinations comprising 1,2-dibromo-2,4-dicyanobutane and at least one ester of parahydroxybenzoic acid are disclosed. Methods for using these synergistic combinations to inhibit microbial growth are also disclosed.
    Type: Grant
    Filed: September 1, 1995
    Date of Patent: June 24, 1997
    Assignee: Calgon Corporation
    Inventors: Tammy W. Gaffney, Edwin R. Tefft