Patents by Inventor Dieter Hoff

Dieter Hoff 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).

  • Parenteral formulation of nimodipine
    Patent number: 5114956
    Abstract: A parenteral formulation comprising abouta) 0.01-0.4% by weight of nimodipine, relative to 100 parts by weight of a solvent comprising aboutb)30-70% by weight of water15-40% by weight of propylene glycol and/or polyethylene glycol, and15-30% by weight of ethanoland, where appropriate, customary auxiliaries and/or additives.
    Type: Grant
    Filed: January 15, 1991
    Date of Patent: May 19, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventor: Dieter Hoff
  • Liquid formulations of dihydropyridines
    Patent number: 4537898
    Abstract: A rapidly absorbable liquid formulation of a dihydropyridine comprising, by weight, about 0.5 to 10 parts of a dihydropyridine of the formula ##STR1## in which R.sub.1 is C.sub.1 -C.sub.4 -alkyl, optionally substituted by C.sub.2 -C.sub.3 -alkoxy,R.sub.2 is C.sub.1 -C.sub.10 -alkyl, optionally substituted by C.sub.1 -C.sub.3 -alkoxy, trifluoromethyl or N-methyl-N-benzylamino,R.sub.3 is C.sub.1 -C.sub.4 -alkyl, cyano or hydroxymethyl, andX is 2- or 3-nitro, 2,3-dichloro or 2,3.dbd.N--O--N.dbd.,20 to 60 parts of a solubilizing agent and 80 to 40 parts of a diluent.
    Type: Grant
    Filed: February 13, 1984
    Date of Patent: August 27, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dieter Hoff, Klaus-Dieter Ramsch