Patents by Inventor Philip W. Langford

Philip W. Langford 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).

  • Iodine-amine oxide disinfectants
    Patent number: 4207310
    Abstract: Improved iodine-containing compositions suitable for use in combating bacteria, fungi, viruses, yeasts, and other undesirable micro-organisms are provided by the use of certain tertiary amine oxides as solubilizers or co-solubilizers for iodine. The compositions may also comprise surfactants, iodides, acids, and liquid media. The compositions are stable and effective, and may be low-foaming.
    Type: Grant
    Filed: October 4, 1977
    Date of Patent: June 10, 1980
    Assignee: Tenneco Chemicals, Inc.
    Inventor: Philip W. Langford
  • Iodophor compositions containing tertiary amine oxides
    Patent number: 4206204
    Abstract: The microbicidal activity of iodophors is enhanced by the inclusion therein of certain alkyl and alkoxyalkyl tertiary amine oxides. The presence of the tertiary amine oxides also enhances the retention of the amount of available iodine during storage. The improved iodophors are useful as disinfectants for surfaces, tools, and utensils, and as surgical scrubs.
    Type: Grant
    Filed: October 4, 1977
    Date of Patent: June 3, 1980
    Assignee: Tenneco Chemicals, Inc.
    Inventor: Philip W. Langford