Patents by Inventor Brian K. Boyd

Brian K. Boyd 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).

  • Sustained release pharmaceutical tablet
    Patent number: 5002774
    Abstract: A sustained release solid composition for delivering an amount of a pharmaceutical material, prticularly magnesium lactate, to the gastro-intestinal tract comprising:an active pharmaceutical powder material;a compressibility aid material for improving the compressibility of said pharmaceutical powder material;a first solid water soluble and/or swellable hydrophilic polymer; andmicrocrystalline cellulose to enable said active pharmaceutical material to be gradually released in the gastro-intestinal tract over a period of time;said solid composition being compressed in tablet form, and a method for producing the tablets is disclosed.
    Type: Grant
    Filed: June 8, 1989
    Date of Patent: March 26, 1991
    Assignee: Erbamont, Inc.
    Inventors: Prafulla Agrawala, Nageswara R. Palepu, Brian K. Boyd