Patents by Inventor Maria D. C. Breglia De Belcoure

Maria D. C. Breglia De Belcoure 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).

  • Process for reducing the nitrosamine content of herbicides
    Patent number: 5510534
    Abstract: The present invention is directed to a process for reducing the nitrosamine content in a herbicide derived from dinitroaniline. The herbicide is treated with an aqueous solution of alkaline or ammonium persulfate in a proportion of at least 0.5% w/w relative to the weight of the herbicide to form an aqueous suspension. The suspension is heated to at least 70.degree. C., and the herbicide is separated from the suspension.
    Type: Grant
    Filed: March 23, 1995
    Date of Patent: April 23, 1996
    Assignee: Atanor S.A.
    Inventors: Maria D. C. Breglia De Belcoure, Marta M. D. C. Ruiz