Patent · US Expired

Methods and compositions for controlled release of bioactive compounds

US7601347B2 · kind B2 · utility

2Cited by
1References
7Claims
0Family size

Inventors

Key dates

Filing dateApr 8, 2004
Grant dateOct 13, 2009
Priority date
Expiry dateNov 10, 2024

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC12N2795/00032
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A controlled release pharmaceutical dosage form for bacteriophage is presented. The dosage form is prepared by drying the active ingredient together with a dispersion or solution of polymethacrylate copolymer and a lyprotectant using mild, entirely aqueous conditions.

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