Patents by Inventor Otto Grablowitz

Otto Grablowitz 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: 4652442
    Abstract: In a process of producing a sustained release preparation containing indomethacin or niomethacin, the active ingredient in the form of a powder as well as one or more food grade substances having a solubility of at least 1 gram per 10 milliliters in an aqueous liquid at any pH value from 1 to 9 and a temperature of 37.degree. C., and one or more food grade substances having a solubility of at least 1 gram per 100 milliliters in an aqueous liquid at any pH value from 1 to 9 and a temperature of 37.degree. C. are thoroughly mixed and the resulting mixture is mixed with a solution of one or more food grade substances which in an aqueous liquid have(a) a solubility below 1 gram per 1000 milliliters in an aqueous liquid at any pH value from 1 to 9 and a temperature of 37.degree. C., or(b) a solubility below 1 gram per 1000 milliliters at a pH value of 1 and a temperature of 37.degree. C.
    Type: Grant
    Filed: June 26, 1984
    Date of Patent: March 24, 1987
    Assignee: ARCANA Chem. pharm. Fabrik Gesellschaft m.b.H.
    Inventors: Johann Hopfgartner, Wilhelm Hurka, Otto Grablowitz, Wolfgang Kropp