Patents by Inventor Etienne Deffense

Etienne Deffense 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).

  • Method for eliminating metals from fatty substances and gums associated with said metals
    Patent number: 6407271
    Abstract: The invention relates to a process for removing phospholipids and/or polyvalent metals from a fatty substance. The process comprises the step of mixing by mechanical emulsification an aqueous solution of a salt of a polycarboxylic acid in the fatty substance. The mixture is present in the form of fine droplets or micelles of said aqueous phase in the fatty substance. The aqueous phase contains also advantageously an electrolyte derived from a monovalent cation. The preferred polycarboxylic acid salt is tetrasodium EDTA which is a complexant.
    Type: Grant
    Filed: February 11, 2000
    Date of Patent: June 18, 2002
    Inventor: Etienne Deffense