Absorbable crystalline polyether-ester-urethane-based bioactive luminal liner compositions
US9457090B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Apr 7, 2014 |
| Grant date | Oct 4, 2016 |
| Priority date | — |
| Expiry date | May 18, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2210/1475
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Bioactive hydroforming luminal liner compositions are formed of an absorbable crystalline amphiphilic polyether-ester-urethane dissolved in a liquid derivative of a polyether glycol that undergoes transformation into a tissue-adhering, resilient interior cover or liner for the controlled release of its bioactive payload at clinically compromised conduits in humans as in the case of bacteria- and yeast-infected vaginal canals, esophagi, and arteries following angioplasty.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.