Patents by Inventor Jacob S. Hanker

Jacob S. Hanker 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).

  • Silver methenamine staining method
    Patent number: 4690901
    Abstract: A staining technique for specimens which involves the sequential treatment of specimens with periodic or hydrochloric acid, thiocarbohydrazide or thiosemicarbazide, and silver methenamine. The technique, when using periodic acid, provides an excellent stain to evaluate glycomacromolecules and fibrovascular tissue and to conduct a broad spectrum of staining procedures for all modes of microscopy. Use of hydrochloric acid facilitates evaluation of cell nuclear DNA and chromatin.
    Type: Grant
    Filed: January 26, 1984
    Date of Patent: September 1, 1987
    Assignees: The University of North Carolina at Chapel Hill, Microelectronics Center of North Carolina
    Inventors: Beverly L. Giammara, Jacob S. Hanker
  • Plaster of Paris as a bioresorbable scaffold in implants for bone repair
    Patent number: 4619655
    Abstract: Plaster of Paris is employed to form implants as well as a bioresorbable scaffold for implants and bone repair in animals. In bone repair, the plaster is mixed with a non-bioresorbable calcium source, such as calcium phosphate ceramic, to stimulate bone formation. Plaster may also be used as a medicament implant, encasing the active material for subsequent release to the body.
    Type: Grant
    Filed: January 26, 1984
    Date of Patent: October 28, 1986
    Assignee: University of North Carolina
    Inventors: Jacob S. Hanker, Bill C. Terry, Wallace W. Ambrose, Cecel R. Lupton