Patent · US Active

Injectable microspheres

US8034383B2 · kind B2 · utility

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5References
6Claims
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Key dates

Filing dateJan 27, 2011
Grant dateOct 11, 2011
Priority date
Expiry dateJan 27, 2031

Classification

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

Abstract

Injectable microspheres are obtained from double bond functionalized polyhydric alcohol ester by a method comprising dissolving the double bond functionalized esters in a hydrophobic organic solvent, forming an aqueous solution of stabilizer, forming an oil in water emulsion where the solution of stabilizer constitutes the continuous phase and the solution of ester constitutes the disperse phase and evaporating the organic solvent or from block copolymer of PGCLM and methoxy poly(ethylene glycol).

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