Patent · US Active

Solid dosage form with a film containing an active substance, as well as its method of production

US8673344B2 · kind B2 · utility

0Cited by
2References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 12, 2007
Grant dateMar 18, 2014
Priority date
Expiry dateJul 15, 2028

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T156/1043
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The present invention relates to a solid dosage form with at least one film, which contains an active substance at least in sections, and the concentration of the active substance in the film or in the films has a gradient in a direction normal to the thickness of film. The invention further relates to a method of producing a solid dosage form, in which at least one film is produced, containing an active substance at least in sections, with the concentration of the active substance having a gradient in the longitudinal direction of the film.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.