Patents by Inventor Sabine Compassi

Sabine Compassi 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).

  • Dosage forms having zero-order dihydropyridine calcium antagonist release
    Patent number: 5439687
    Abstract: Pharmaceutical dosage forms having a linear release rate of the 0.sup.th order for the once-daily oral administration of 20-120 mg of nifedipine or of another calcium antagonist of the dihydropyridine type, characterised by a homogeneous matrix containing 2-50% by weight of hydroxypropylmethylcellulose having an average molecular weight of 20,000-250,000, 5-60% by weight of a calcium antagonist of the dihydropyridine type, as well as customary excipients compatible with the formulation, such as lipophilic or hydrophilic liberation controllers, fillers, flow-regulating agents, lubricants and, optionally, film coatings.
    Type: Grant
    Filed: February 8, 1993
    Date of Patent: August 8, 1995
    Assignee: Siegfried Pharma AG
    Inventor: Sabine Compassi