Patents by Inventor John D. Weete

John D. Weete 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 obtaining highly purified phosphatidylcholine
    Patent number: 5703255
    Abstract: Provided is a process for removing non-choline phosphatides from a lecithin material to facilitate obtaining a highly purified phosphatidylcholine product which is essentially free of non-choline phosphatides. The product can be obtained efficiently and effectively, even when starting with a raw soybean gum (lecithin).
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: December 30, 1997
    Assignee: Emulsion Technology, Inc.
    Inventors: John D. Weete, George L. Griffith
  • Process for obtaining highly purified phosphatidylcholine
    Patent number: 5453523
    Abstract: Provided is a process for removing non-choline phosphatides from a lecithin material to facilitate obtaining a highly purified phosphatidylcholine product which is essentially free of non-choline phosphatides. The product can be obtained efficiently and effectively, even when starting with a raw soybean gum (lecithin).
    Type: Grant
    Filed: June 16, 1993
    Date of Patent: September 26, 1995
    Assignee: Emulsion Technology, Inc.
    Inventors: John D. Weete, George L. Griffith
  • Emulsifier for water-in-oil emulsions
    Patent number: 5008037
    Abstract: A unique and improved emulsifier for water-in-oil emulsions is provided by heating lecithin for a period of time sufficient to altar its composition such that the improved emulsifier is obtained. For example, the lecithin can be heated at a temperature in the range of from about 100.degree. C. to about 250.degree. C. for a period of time ranging from about 15 to about 480 minutes. The resultant thermally altered lecithin exhibits improved emulsification characteristics for water-in-oil emulsions. A water-in-oil emulsion comprised of a continuous oil phase, a discontinuous aqueous phase and the thermally altered lecithin exhibits excellent stability and an improved holding capacity with respect to the discontinuous aqueous phase.
    Type: Grant
    Filed: June 26, 1990
    Date of Patent: April 16, 1991
    Assignee: Emulsion Technology, Inc.
    Inventors: John D. Weete, George L. Griffith
  • Emulsifier for water-in-oil emulsions
    Patent number: 4943389
    Abstract: A unique and improved emulsifier for water-in-oil emulsions is provided by heating lecithin for a period of time sufficient to alter its composition such that the improved emulsifier is obtained. For example, the lecithin can be heated at a temperature in the range of from about 100.degree. C. to about 250.degree. C. for a period of time ranging from about 15 to about 480 minutes. The resultant thermally altered lecithin exhibits improved emulsification characteristics for water-in-oil emulsions. A water-in-oil emulsion comprised of a continuous oil phase, a discontinuous aqueous phase and the thermally altered lecithin exhibits excellent stability and an improved holding capacity with respect to the discontinuous aqueous phase.
    Type: Grant
    Filed: April 4, 1988
    Date of Patent: July 24, 1990
    Assignee: Emulsion Technology, Inc.
    Inventors: John D. Weete, George L. Griffith