Patents by Inventor Donald F. Darling

Donald F. Darling 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).

  • Patent number: 4933192
    Abstract: A hydratable powder capable of providing a duplex emulsion is of value in food products. The powder contains the components of the emulsion and may be prepared by spray drying, freeze drying or spray crystallization.
    Type: Grant
    Filed: March 27, 1987
    Date of Patent: June 12, 1990
    Assignee: Unilever Patent Holdings B.V.
    Inventors: Donald F. Darling, Martin J. Izzard, Kevin J. Povey
  • Patent number: 4443487
    Abstract: A process for producing a spreadable emulsion starting from an oil-in-water (o/w) emulsion which on cooling is caused to destabilize and at least partially invert, almost spontaneously or under a mild shearing regime, preferably applying a temperature cycling, to obtain a spread having a consistency comparable to that of a soft margarine. The o/w emulsion comprises(i) an emulsifier system which promotes surface nucleation of fat crystals on cooling and growth of fat crystals through the oil/water interface and into the aqueous phase and(ii) a fat having at 10.degree. C. a solid fat level higher than 40%.
    Type: Grant
    Filed: February 24, 1982
    Date of Patent: April 17, 1984
    Assignee: Lever Brothers Company
    Inventor: Donald F. Darling
  • Patent number: 4360535
    Abstract: Artificial creams essentially free from milk proteins are particularly suitable as coffee creams and comprise an emulsion of edible fat, especially containing up to about 30% lauric fat, with an emulsifier system comprising a mixture of lecithin with selected nonionic and an ionic emulsifier preferably having a predetermined range of HLB activity.
    Type: Grant
    Filed: December 4, 1981
    Date of Patent: November 23, 1982
    Assignee: Lever Brothers Company
    Inventors: Donald F. Darling, Eric Dicks