Patents by Inventor Mark T. DeCrosta

Mark T. DeCrosta 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).

  • Controlled release formulation
    Patent number: 4666705
    Abstract: A controlled release pharmaceutical formulation which undergoes slow release of active drug is provided, preferably in the form of a tablet containing medicament, such as captopril, is slowly released over a controlled length of time. The tablet also includes an acrylic acid polymer or copolymer and one or more lubricants and is formed by a dry granulation technique.
    Type: Grant
    Filed: June 3, 1985
    Date of Patent: May 19, 1987
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Mark T. DeCrosta, Nemichand B. Jain, Edward M. Rudnic
  • Drug delivery systems including novel interpenetrating polymer networks and method
    Patent number: 4575539
    Abstract: A drug delivery system is provided which is in the form of hydrogel beads employed in a new interpenetrating polymer network which is formed by swelling hydrogel beads with an acrylic swelling agent and reacting the swelling agent with a cross-linking agent. The drug delivery system has superior drug loading capacity and controlled release characteristics.
    Type: Grant
    Filed: June 3, 1985
    Date of Patent: March 11, 1986
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Mark T. DeCrosta, Nemichand B. Jain, Edward M. Rudnic