Drug Delivery Particle
2 Assignments
0 Petitions
Accused Products
Abstract
A drug delivery particle including a reservoir region having primarily large pores and a metering region. The particle can be highly spherical.
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Citations
62 Claims
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1-34. -34. (canceled)
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35. A composition, comprising:
substantially spherical particles having a diameter of from about 10 microns to about 1 cm, the particles including a first region with pores having a first predominant pore size and a second region surrounding the first region and with pores having a second predominant pore size, the first predominant pore size being larger than the second predominant pore size, and the particles comprising cross-linked polyvinyl alcohol. - View Dependent Claims (36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62)
Specification