Patents by Inventor Ling Yuk Cheung

Ling Yuk Cheung 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).

  • Publication number: 20030235567
    Abstract: The present invention relates to feed additives for cats. The invention provides methods for making a biological compositions comprising yeast cells that can improve the immune functions of cats. The invention also relates to methods for manufacturing the biological compositions, and methods of using the biological compositions as feed additives.
    Type: Application
    Filed: June 18, 2002
    Publication date: December 25, 2003
    Inventor: Ling Yuk Cheung
  • Publication number: 20030230245
    Abstract: The invention relates to biological compositions comprising yeast cells that can be added to animal feed which upon ingestion by an animal can reduce the odor of manure produced by the animal. The invention also relates to methods for manufacturing the biological compositions, and methods of using the biological compositions as animal feed additives.
    Type: Application
    Filed: June 18, 2002
    Publication date: December 18, 2003
    Inventor: Ling Yuk Cheung
  • Publication number: 20030232039
    Abstract: The present invention relates to feed additives for crustaceans in aquaculture, in particular crabs. The invention provides methods for making a biological compositions comprising yeast cells that can improve the immune functions of crustaceans in culture. The invention also relates to methods for manufacturing the biological compositions, and methods of using the biological compositions as feed additives.
    Type: Application
    Filed: June 18, 2002
    Publication date: December 18, 2003
    Inventor: Ling Yuk Cheung
  • Publication number: 20030232059
    Abstract: The present invention relates to feed additives for fishes in aquaculture. The invention provides methods for making a biological compositions comprising yeast cells that can improve the immune functions of fishes in culture. The invention also relates to methods for manufacturing the biological compositions, and methods of using the biological compositions as feed additives.
    Type: Application
    Filed: June 18, 2002
    Publication date: December 18, 2003
    Inventor: Ling Yuk Cheung
  • Publication number: 20030232038
    Abstract: The present invention relates to feed additives for prevention of E. coli infection in cattle. The invention provides methods for making a biological compositions comprising yeast cells that can improve the immune functions of cattle such that the incidence of E. coli infection is reduced. The invention also relates to methods for manufacturing the biological compositions, and methods of using the biological compositions as feed additives.
    Type: Application
    Filed: June 18, 2002
    Publication date: December 18, 2003
    Inventor: Ling Yuk Cheung
  • Patent number: 6660508
    Abstract: Compositions comprising a plurality of yeast cells, wherein said plurality of yeast cells are characterized by their ability to treat hyperlipemia (e.g., regulate triglyceride and/or beta-lipoprotein levels) in a subject as a result of having been cultured in the presence of an alternating electric field having a specific frequency and a specific field strength. Also included are methods of making such compositions.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: December 9, 2003
    Assignee: Ultra Biotech Limited
    Inventor: Ling Yuk Cheung
  • Patent number: 6649383
    Abstract: Compositions comprising a plurality of yeast cells, wherein said plurality of yeast cells are characterized by their ability to increase secretion of gastric juice or alleviate gastric ulcer in a mammal, said ability resulting from their having been cultured in the presence of an alternating electric field having a specific frequency and a specific field strength. Also included are methods of making and using these compositions.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: November 18, 2003
    Assignee: Ultra Biotech Limited
    Inventor: Ling Yuk Cheung
  • Patent number: 6596272
    Abstract: The present invention provides biological fertilizer compositions that comprise yeast cells and poultry manure. The yeast cells of the invention have an enhanced ability to fix atmospheric nitrogen, decompose phosphorus minerals and compounds, decompose potassium minerals and compounds, decompose complex carbon compounds, overproduce growth factors, overproduce ATP, decompose undesirable chemicals, suppress growth of pathogenic microorganisms, or reduce undesirable odor. The biological fertilizer composition of the invention can replace mineral fertilizers in supplying nitrogen, phosphorus, and potassium to crop plants. Methods of manufacturing biological fertilizer compositions, and methods of uses are also encompassed.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: July 22, 2003
    Assignee: Ultra Biotech Limited
    Inventor: Ling Yuk Cheung
  • Patent number: 6596273
    Abstract: The present invention provides biological fertilizer compositions that comprise yeast cells and swine manure. The yeast cells of the invention have an enhanced ability to fix atmospheric nitrogen, decompose phosphorus minerals and compounds, decompose potassium minerals and compounds, decompose complex carbon compounds, overproduce growth factors, overproduce ATP, decompose undesirable chemicals, suppress growth of pathogenic microorganisms, or reduce undesirable odor. The biological fertilizer composition of the invention can replace mineral fertilizers in supplying nitrogen, phosphorus, and potassium to crop plants. Methods of manufacturing biological fertilizer compositions, and methods of uses are also encompassed.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: July 22, 2003
    Assignee: Ultra Biotech Limited
    Inventor: Ling Yuk Cheung
  • Publication number: 20030044964
    Abstract: The present invention provides biological fertilizer compositions that comprise yeast cells and garbage. The yeast cells of the invention have an enhanced ability to fix atmospheric nitrogen, decompose phosphorus minerals and compounds, decompose potassium minerals and compounds, decompose complex carbon compounds, overproduce growth factors, overproduce ATP, decompose undesirable chemicals, suppress growth of pathogenic microorganisms, or reduce undesirable odor. The biological fertilizer composition of the invention can replace mineral fertilizers in supplying nitrogen, phosphorus, and potassium to crop plants. Methods of manufacturing biological fertilizer compositions, and methods of uses are also encompassed.
    Type: Application
    Filed: July 9, 2002
    Publication date: March 6, 2003
    Applicant: Ultra Biotech Limited
    Inventor: Ling Yuk Cheung
  • Publication number: 20030022357
    Abstract: The present invention provides biological fertilizer compositions that comprise yeast cells and sludge. The yeast cells of the invention have an enhanced ability to fix atmospheric nitrogen, decompose phosphorus minerals and compounds, decompose potassium minerals and compounds, decompose complex carbon compounds, overproduce growth factors, overproduce ATP, decompose undesirable chemicals, suppress growth of pathogenic microorganisms, or reduce undesirable odor. The biological fertilizer composition of the invention can replace mineral fertilizers in supplying nitrogen, phosphorus, and potassium to crop plants. Methods of manufacturing biological fertilizer compositions, and methods of uses are also encompassed.
    Type: Application
    Filed: March 1, 2001
    Publication date: January 30, 2003
    Inventor: Ling Yuk Cheung
  • Publication number: 20030005734
    Abstract: The present invention provides biological fertilizer compositions that comprise yeast cells and swine manure. The yeast cells of the invention have an enhanced ability to fix atmospheric nitrogen, decompose phosphorus minerals and compounds, decompose potassium minerals and compounds, decompose complex carbon compounds, overproduce growth factors, overproduce ATP, decompose undesirable chemicals, suppress growth of pathogenic microorganisms, or reduce undesirable odor. The biological fertilizer composition of the invention can replace mineral fertilizers in supplying nitrogen, phosphorus, and potassium to crop plants. Methods of manufacturing biological fertilizer compositions, and methods of uses are also encompassed.
    Type: Application
    Filed: March 1, 2001
    Publication date: January 9, 2003
    Inventor: Ling Yuk Cheung
  • Publication number: 20020187900
    Abstract: The present invention provides biological fertilizer compositions that comprise yeast cells and cattle manure. The yeast cells of the invention have an enhanced ability to fix atmospheric nitrogen, decompose phosphorus minerals and compounds, decompose potassium minerals and compounds, decompose complex carbon compounds, overproduce growth factors, overproduce ATP, decompose undesirable chemicals, suppress growth of pathogenic microorganisms, or reduce undesirable odor. The biological fertilizer composition of the invention can replace mineral fertilizers in supplying nitrogen, phosphorus, and potassium to crop plants. Methods of manufacturing biological fertilizer compositions, and methods of uses are also encompassed.
    Type: Application
    Filed: March 1, 2001
    Publication date: December 12, 2002
    Inventor: Ling Yuk Cheung
  • Publication number: 20020187552
    Abstract: The present invention provides biological fertilizer compositions that comprise yeast cells and poultry manure. The yeast cells of the invention have an enhanced ability to fix atmospheric nitrogen, decompose phosphorus minerals and compounds, decompose potassium minerals and compounds, decompose complex carbon compounds, overproduce growth factors, overproduce ATP, decompose undesirable chemicals, suppress growth of pathogenic microorganisms, or reduce undesirable odor. The biological fertilizer composition of the invention can replace mineral fertilizers in supplying nitrogen, phosphorus, and potassium to crop plants. Methods of manufacturing biological fertilizer compositions, and methods of uses are also encompassed.
    Type: Application
    Filed: March 1, 2001
    Publication date: December 12, 2002
    Inventor: Ling Yuk Cheung
  • Patent number: 6440713
    Abstract: Compositions comprising a plurality of yeast cells, wherein said plurality of yeast cells have been cultured in the presence of an alternating electric field having a specific frequency and a specific field strength for a period of time sufficient to substantially increase the capability of said plurality of yeast cells to suppress the growth of pathogenic microbes. Also included are methods of making such compositions.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: August 27, 2002
    Assignee: Ultra Biotech Limited
    Inventor: Ling Yuk Cheung
  • Patent number: 6436695
    Abstract: Compositions comprising a plurality of yeast cells, wherein said plurality of yeast cells have been cultured in the presence of an alternating electric field having a specific frequency and a specific field strength for a period of time sufficient to substantially increase the capability of said plurality of yeast cells to convert biologically available phosphorus in a culture medium into their own biomass. Also included are methods of making such compositions.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: August 20, 2002
    Assignee: Ultra Biotech Limited
    Inventor: Ling Yuk Cheung
  • Patent number: 6416983
    Abstract: The present invention provides biological fertilizer compositions that comprise yeast cells and garbage. The yeast cells of the invention have an enhanced ability to fix atmospheric nitrogen, decompose phosphorus minerals and compounds, decompose potassium minerals and compounds, decompose complex carbon compounds, overproduce growth factors, overproduce ATP, decompose undesirable chemicals, suppress growth of pathogenic microorganisms, or reduce undesirable odor. The biological fertilizer composition of the invention can replace mineral fertilizers in supplying nitrogen, phosphorus, and potassium to crop plants. Methods of manufacturing biological fertilizer compositions, and methods of uses are also encompassed.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: July 9, 2002
    Assignee: Ultra Biotech Limited
    Inventor: Ling Yuk Cheung
  • Patent number: 6391617
    Abstract: Compositions comprising a plurality of yeast cells, wherein said plurality of yeast cells have been cultured in the presence of an alternating electric field having a specific frequency and a specific field strength for a period of time sufficient to substantially increase the capability of said plurality of yeast cells to convert bio-available nitrogen in a culture medium into their own biomass. Also included are methods of making such compositions.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: May 21, 2002
    Assignee: Ultra Biotech Limited
    Inventor: Ling Yuk Cheung
  • Patent number: 6391619
    Abstract: Compositions comprising a plurality of yeast cells, wherein said plurality of yeast cells have been cultured in the presence of an alternating electric field having a specific frequency and a specific field strength for a period of time sufficient to substantially increase the capability of said plurality of yeast cells to suppress the growth of algae or decompose debris of algae. Also included are methods of making such compositions.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: May 21, 2002
    Assignee: Ultra Biotech Limited
    Inventor: Ling Yuk Cheung
  • Patent number: 6391618
    Abstract: Compositions comprising a plurality of yeast cells which have been cultured in the presence of an alternating electric field having a specific frequency and a specific field strength for a period of time sufficient to substantially increase the capability of said plurality of yeast cells to degrade environmental toxins, such as antibiotics and organic solvents, in a culture medium. Also included are methods of making such compositions.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: May 21, 2002
    Assignee: Ultra Biotech Limited
    Inventor: Ling Yuk Cheung