Patents by Inventor Leon-Etienne Parent

Leon-Etienne Parent 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).

  • Publication number: 20080041130
    Abstract: The present invention relates to an organo-phosphatic fertilizer that comprises 40% to 90% of treated pig manure and 10% to 60% of a mineral fertilizer. The present invention also relates to a method for managing pig manure. The method of the present invention comprises sequentially or concomitantly treating and dehydrating the pig manure, mixing the treated and dehydrated pig manure with a mineral fertilizer in a proportion of 40% to 90% of pig manure for 10% to 60% of mineral fertilizer and pelletizing the mixture obtained therefrom.
    Type: Application
    Filed: February 18, 2005
    Publication date: February 21, 2008
    Inventors: Leon-Etienne Parent, Suzanne Allaire, Lotfi Khiari, Antoine Karam
  • Publication number: 20050178177
    Abstract: The present invention relates to an organo phosphatic fertilizer and to method for preparing the same. The method comprises treating, and optionally dehydrating, mixing it to a mineral fertilizer in a proportion of 40% to 90% of pig manure for 10 to 60% of mineral fertilizer and pelletizing the mixture.
    Type: Application
    Filed: February 18, 2004
    Publication date: August 18, 2005
    Applicant: UNIVERSITE LAVAL
    Inventors: Leon-Etienne Parent, Suzanne Allaire, Lotfi Khiari, Antoine Karam
  • Patent number: 6056801
    Abstract: A composition of matter is provided which comprises a peat material and an added source of nitrogen, said added source of nitrogen consisting of one of urea, diammonium phosphate, monoammonium phosphate and ammonia. A composition such as this may be used in a process for making a peat fertilizer in the form of granulars.
    Type: Grant
    Filed: January 16, 1998
    Date of Patent: May 2, 2000
    Inventors: Leon-Etienne Parent, Alexandre Mailloux, Bruno Breton
  • Patent number: 5749934
    Abstract: A composition of matter is provided which comprises a peat material and an added source of nitrogen, said added source of nitrogen consisting of one of urea, diammonium phosphate, monoammonium phosphate and ammonia. A composition such as this may be used in a process for making a peat fertilizer in the form of granulars.
    Type: Grant
    Filed: May 14, 1996
    Date of Patent: May 12, 1998
    Inventors: Leon-Etienne Parent, Alexandre Mailloux, Bruno Breton