Patents by Inventor Victor Raul

Victor Raul 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).

  • Method of controlling release of an active or drug from a silicone rubber matrix
    Patent number: 5597584
    Abstract: The instant invention pertains to a method of controlling release of active agents or drugs from a silicone rubber matrix by controlling the degree of crosslinking in the silicone rubber matrix. The silicone rubber matrixes of the instant invention are produced from liquid silicone rubbers comprised of (A) a polyorganosiloxane containing at least two alkenyl radicals per molecule; (B) an organohydrogensiloxane containing at least two silicon-bonded hydrogen atoms per molecule; and (C) a hydrosilylation catalyst in an amount sufficient to promote curing of said composition.
    Type: Grant
    Filed: August 2, 1995
    Date of Patent: January 28, 1997
    Assignee: Dow Corning Corporation
    Inventors: Padmanabh P. Bhatt, Victor A. Raul
  • Stable nonaqueous solution of tetracycline salt
    Patent number: 4376118
    Abstract: Nonaqueous solution of a tetracycline antibiotic salt which is stable upon extended storage comprises a mixture of a tetracycline antibiotic salt, nonaqueous diluent, nonaqueous solvent, and nonaqueous nonionic solubilizer. It preferably also contains an antioxidant and a nonaqueous anionic solubilizer.
    Type: Grant
    Filed: May 19, 1981
    Date of Patent: March 8, 1983
    Assignee: Miles Laboratories, Inc.
    Inventors: Lawrence J. Daher, George C. Hoss, Victor A. Raul