Patents by Inventor Anthony F. Yapel, Jr.

Anthony F. Yapel, Jr. 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).

  • Patent number: 4169804
    Abstract: Magnetically responsive composite microparticles comprising (i) a magnetically responsive material and (ii) a porous solid water-insoluble matrix selected from proteinaceous materials, polysaccharides and mixtures thereof; wherein said magnetically responsive material is dispersed throughout said permeable, solid, water-insoluble matrix.
    Type: Grant
    Filed: June 20, 1977
    Date of Patent: October 2, 1979
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Anthony F. Yapel, Jr.
  • Patent number: 4147767
    Abstract: Solid serum albumin spherules having 5 to 30 percent by weight of an organic medicament homogeneously entrapped therein are disclosed. These spherules are especially suited for intravascular injection into the body wherein the drug is released from the spherule in a biphasic manner having an initial fast release phase followed by a slow release phase.
    Type: Grant
    Filed: September 30, 1977
    Date of Patent: April 3, 1979
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Anthony F. Yapel, Jr.