Patents by Inventor Jacob Bloemheuvel

Jacob Bloemheuvel 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 the preparation of a polysaccharide in oil dispersion and dispersion obtained thereby
    Patent number: 4803264
    Abstract: The invention provides a process for the preparation of a polysaccharide in oil dispersion which comprises the steps of(a) forming a water-in-oil emulsion by dispersing in oil an aqueous solution of polysaccharide, in the presence of at least one dispersion promoter,(b) drying the resulting emulsion azeotropically, and(c) physically isolating from the resulting azeotropically dried residue an oil phase containing oil and dispersion promoter and a polysaccharide in oil dispersion in the form of a suspension phase containing polysaccharide, dispersion promotor and oil;and a polysaccharide in oil dispersion prepared by the process containing 40 to 50% w/w polysaccharide and 3 to 4.5% w/w of at least one dispersion promoter.
    Type: Grant
    Filed: November 25, 1986
    Date of Patent: February 7, 1989
    Assignee: Shell Oil Company
    Inventors: Wilhelmus J. Krijnen, Jacob B. Roest, Jacob Bloemheuvel