Patents by Inventor David C. F. Law

David C. F. Law 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).

  • Hydrogen peroxide composition
    Patent number: 4477438
    Abstract: An antimicrobial composition containing hydrogen peroxide is disclosed. The composition is non-corrosive to surgical instruments and contains 4%-7% hydrogen peroxide, 0.1% to 0.3% of a chelating agent, 0.1% of a water soluble zinc compound, 0.1% to 0.3% of a sodium cocoyl sarcosinate or is fatty acid-based analogs, an anionic surfactant selected from the group consisting of sodium n-decyl diphenylether disulfonate or sodium lauryl sulfate and a buffer system to maintain the pH of the composition in a pH range of from 4 to 6.
    Type: Grant
    Filed: November 12, 1982
    Date of Patent: October 16, 1984
    Assignee: Surgikos, Inc.
    Inventors: George W. Willcockson, deceased, David C. F. Law
  • Oxydiacetaldehyde compositions used as disinfectants
    Patent number: 4173653
    Abstract: Oxydiacetaldehyde is an active antimicrobial agent when used in aqueous solution for disinfecting or sterilizing purposes. The activity of such solutions against bacteria or spores can be improved by adding alkalinating agents, e.g., sodium acetate, or alcohols, e.g., isopropanol or propylene glycol, or by raising pH or temperature.
    Type: Grant
    Filed: December 11, 1974
    Date of Patent: November 6, 1979
    Assignee: Arbrook, Inc.
    Inventor: David C. F. Law