Patents by Inventor Francis Wable

Francis Wable 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).

  • Compositions for deodorizing animal excreta and deodorizing method therefor
    Patent number: 5720947
    Abstract: This composition for deodorizing animal faeces such as liquid manure, in particular liquid pig manure, is characterized in that it comprises: (a) at least one normal superphosphate; (b) at least one compound chosen from undecylenic acid, its esters and its polyoxyalkyle-mated esters; and optionally (c) sodium perborate. The constituent (a) is in particular a normal superphosphate containing approximately 16-18% by weight of P.sub.2 O.sub.5. The constituent (b) is in particular methyl undecylenate.The composition is formulated, for example, order to be able to treat animal faeces with up to approximately 10,000 ppm of the constituent (a); up to approximately 1000 ppm of the constituent (b); and up to approximately 500 ppm of active O.sub.2 form the constituent (c), these amounts being calculated with respect to the weight of the animal faeces to be treated.
    Type: Grant
    Filed: May 15, 1996
    Date of Patent: February 24, 1998
    Assignee: Elf Atochem S. A.
    Inventors: Jacques Basset, Henri-Jean Caupin, Francis Wable