Patents Assigned to Walton S.A.
  • Antacid compositions with prolonged gastric residence time
    Patent number: 5288506
    Abstract: Antacid powders, tablets etc. of prolonged gastric residence time have an internal phase of a solid antacid and excipient surrounded by a solid external phase containing a hydrophobic substance e.g. an ester of glycerol with palmitic or stearic acid, a hydroxylated polyalkene and a non-ionic emulsifier.
    Type: Grant
    Filed: April 20, 1989
    Date of Patent: February 22, 1994
    Assignee: Walton S.A.
    Inventors: Robert G. W. Spickett, Jose L. F. Vidal, Juan C. Escoi
  • Piperidine derivative
    Patent number: 5026858
    Abstract: This invention relates to substituted benzoic acid amides of N-substituted piperidine and to pharmaceutical compositions thereof. The pharmaceutical compositions have served therapeutic uses, including treating nausea and vomiting, gastrointestinal disorders, and a variety of conditions affecting the central nervous system. The invention also relates to methods of preparing piperidine derivatives.
    Type: Grant
    Filed: April 5, 1985
    Date of Patent: June 25, 1991
    Assignee: Walton S.A.
    Inventors: Armando Vega-Noverola, Jose Boix-Iglesias, Jose Prieto-Soto, Jacinto Moragues-Mauri