Patents by Inventor Henri B. May

Henri B. May 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).

  • Encapsulation process and resulting aqueous dispersion of encapsulated droplets
    Patent number: 4124526
    Abstract: Oil droplets are encapsulated by forming a dispersion of the droplets in an aqueous alkaline liquid medium containing a water-soluble salt of a polycarboxylate polymer and acidifying the medium to a pH in the range of 5 to 8 whereby the polycarboxylate polymer precipitates to form walls around the droplets.
    Type: Grant
    Filed: June 13, 1977
    Date of Patent: November 7, 1978
    Assignee: Monsanto Company
    Inventors: Pierre J. Allart, Henri B. May