Patent · US Active

High-glass transition temperature absorbable microspheres

US9216142B2 · kind B2 · utility

0Cited by
4References
11Claims
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Assignee

Inventors

Key dates

Filing dateOct 24, 2013
Grant dateDec 22, 2015
Priority date
Expiry dateOct 24, 2033

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2982
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Absorbable microspheres comprising a copolymer formed from greater than 80 to about 99 mole percent D,L-lactideg, L(−)-lactide, D(+)-lactide, or meso-lactide and combinations thereof, and about 1 to less than 20 mole percent of a different second monomer selected from the group consisting of p-dioxanone and trimethylene carbonate and combinations thereof, said microspheres having a particle size ranging from about 5 to 2000 microns. Also described herein are formulations comprising such absorbable microspheres.

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