Bioresorbable nonlamellar microparticles and uses thereof
US10465012B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Jan 11, 2013 |
| Grant date | Nov 5, 2019 |
| Priority date | — |
| Expiry date | Oct 29, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12N2770/24222
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Nonlamellar bioresorbable microparticles to which protein substances are bonded, and a method for preparing the microparticles, comprising: (i) preparing the microparticles from at least one bioresorbable polymer without stabilizer and without surfactant; and (ii) bonding the protein substances to the microparticles obtained in step (i) without surfactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.