Patent · US Active

Solid pharmaceutical preparations containing copolymers based on polyethers combined with poorly water-soluble polymers

US10328150B2 · kind B2 · utility

0Cited by
5References
11Claims
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Key dates

Filing dateNov 29, 2016
Grant dateJun 25, 2019
Priority date
Expiry dateMay 26, 2037

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F283/06
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Dosage forms comprising preparations of slightly water-soluble active substances in a polymer matrix of polyether copolymers, the polyether copolymers being obtained by free radical polymerization of a mixture of from 30 to 80% by weight of N-vinyllactam, from 10 to 50% by weight of vinyl acetate and from 10 to 50% by weight of a polyether, and of at least one slightly water-soluble polymer in which the slightly water-soluble active substance is present in amorphous form in the polymer matrix.

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