Patents by Inventor Silke Goelz

Silke Goelz 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).

  • Aqueous dispersion suitable for the production of coatings and binders for solid oral drugs
    Patent number: 6656507
    Abstract: An aqueous dispersion for the production of binders or coatings for solid oral drugs having a water content of 90-40 wt. % and a solids portion of 10-60 wt. %, whereby said solids portion is composed of: (A) 10-99 wt. % of a polymer mixture consisting of: (a) 75-99 wt. % of a polymethacrylate copolymer consisting of up to 98-85 wt. % of alkyl (meth)acrylate monomers with C1-C4 alkyl residues and up to 2-15 wt. % of alkyl (meth)acrylate monomers with a quaternary ammonium group in the alkyl residue, and (b) 25-1 wt. % of an alkali salt of carboxymethylcellulose having a weight average molecular weight of less than 150,000, and (B) 90-1 wt. % of at least one substance normally added to pharmaceutical formulations.
    Type: Grant
    Filed: March 8, 1999
    Date of Patent: December 2, 2003
    Assignee: Roehm GmbH & Co. KG
    Inventors: Hans-Ulrich Petereit, Silke Goelz, Wolfgang Weisbrod
  • AQUEOUS DISPERSION SUITABLE FOR THE PRODUCTION OF COATINGS AND BINDERS FOR SOLID ORAL DRUGS
    Publication number: 20010055619
    Abstract: An aqueous dispersion for the production of binders or coatings for solid oral drugs having a water content of 90-40 wt. % and a solids portion of 10-60 wt.
    Type: Application
    Filed: March 8, 1999
    Publication date: December 27, 2001
    Inventors: HANS-ULRICH PETEREIT, SILKE GOELZ, WOLFGANG WEISBROD