Patents Assigned to R.P. Scherer GmbH
  • Soft gelatin capsule manufacture
    Patent number: 5985321
    Abstract: Soft gelatin capsules having a capsule shell comprising gelatin, plasticizers and, if desired or required, further auxiliary agents, and a capsule filling containing a solvent including a migrateable solvent such as 1,2-propyleneglycol as a solvent in the capsule filling and in the capsule shell. The manufacture of said capsules is improved, if in the process for making the soft gelatin capsules the gelatin bands are cooled with a liquid, and preferably with water.
    Type: Grant
    Filed: April 29, 1997
    Date of Patent: November 16, 1999
    Assignees: Novartis AG, R.P. Scherer GmbH
    Inventors: Werner Brox, Armin Meinzer, Horst Zande
  • Gastric juice resistant gelatin capsules and a process for the production thereof
    Patent number: 3959540
    Abstract: Gastric juice resistant gelatin capsules characterized by a gastric juice resistant outer coating of an anionic polymerizate of methacrylic acid and acrylic acid esters and an intermediate layer between the outer layer and the gelatin shell of a cationic polymerizate of di-lower alkylamino lower alkylmethyl acrylate with other neutral methacrylic esters and a process for preparing the same.
    Type: Grant
    Filed: August 8, 1974
    Date of Patent: May 25, 1976
    Assignee: R.P. Scherer GmbH
    Inventors: Richard Leiberich, Wilfried Gabler