Patents by Inventor Fu-Ning Fung

Fu-Ning Fung 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 of synthesizing gamma pyrones
    Patent number: 5908941
    Abstract: Maltol and ethyl maltol can be produced from a haloenone intermediate by reacting the intermediate with acid in a reaction medium comprising an aprotic solvent.
    Type: Grant
    Filed: November 6, 1996
    Date of Patent: June 1, 1999
    Assignee: Cultor, Ltd.
    Inventors: Fu-Ning Fung, Bruce A. Hay, James E. Swenarton, deceased
  • Low calorie fat substitute
    Patent number: 5308639
    Abstract: There is disclosed a low calorie fat substitute comprising a non-flowable aqueous phase and an oil phase, with the interaction between said aqueous and oil phases resulting in a pourable emulsion. Also disclosed are food compositions containing pourable and nonpourable emulsions.
    Type: Grant
    Filed: January 17, 1992
    Date of Patent: May 3, 1994
    Assignee: Pfizer Inc
    Inventor: Fu-Ning Fung
  • Low-calorie fat substitute
    Patent number: 5158798
    Abstract: There is disclosed a low calorie fat substitute comprising an emulsion containing a non-flowable aqueous phase, an oil phase and a fat extender. Also disclosed are low calorie fat substitutes wherein the fat or oil is replaced by a fat mimetic.
    Type: Grant
    Filed: January 11, 1991
    Date of Patent: October 27, 1992
    Assignee: Pfizer Inc.
    Inventors: Fu-Ning Fung, James W. Miller, Michael T. Wuesthoff
  • Low-calorie fat substitute
    Patent number: 5082684
    Abstract: There is disclosed a low calorie fat substitute comprising a non-flowable aqueous phase and an oil phase, with the interaction between said aqueous and oil phases resulting in a pourable emulsion. Also disclosed are food compositions containing pourable and nonpourable emulsions.
    Type: Grant
    Filed: February 5, 1990
    Date of Patent: January 21, 1992
    Assignee: Pfizer Inc.
    Inventor: Fu-Ning Fung
  • Bioabsorbable co-polydepsipeptide
    Patent number: 4994551
    Abstract: Novel, semi-crystalline depsipeptide polymers and copolymers particularly suitable for use in fabricating bioabsorbable medical implant devices such as sutures or clips and obtained through ring-opening polymerization of certain 3-substituted-2,5-morpholinediones prepared by reacting a naturally occurring alpha-amino acid with an alpha-halo acid chloride in inert solvent in the presence of an acid acceptor.
    Type: Grant
    Filed: December 21, 1989
    Date of Patent: February 19, 1991
    Assignee: Pfizer Inc.
    Inventors: Fu-Ning Fung, Raymond C. Glowaky
  • Bioabsorbable polydepsipeptide, preparation and use thereof
    Patent number: 4916209
    Abstract: Novel, semi-crystalline depsipeptide polymers and copolymers particularly suitable for use in fabricating bioabsorbable medical implant devices such as sutures or clips and obtained through ring-opening polymerization of certain 3-substituted-2,5-morpholinediones prepared by reacting a naturally occurring alpha-amino acid with an alpha-halo acid chloride in inert solvent in the presence of an acid acceptor.
    Type: Grant
    Filed: December 23, 1987
    Date of Patent: April 10, 1990
    Assignee: Pfizer Inc.
    Inventors: Fu-Ning Fung, Raymond C. Glowaky
  • Aminoalkylated polyacrylamide aldehyde gels, their preparation and use in oil recovery
    Patent number: 4782900
    Abstract: Aqueous gel-forming compositions useful for improving oil recovery from subterranean hydrocarbon-containing reservoirs are prepared by reacting an aminoalkylated polyacrylamide with an aldehyde, dialdehyde or derivative thereof in aqueous medium. These compositions are particularly effective in reducing excessive water encroachment at producer wells.
    Type: Grant
    Filed: April 24, 1987
    Date of Patent: November 8, 1988
    Assignee: Pfizer Inc.
    Inventors: Fu-Ning Fung, Raymond C. Glowaky