Pharmaceutical compositions containing oligomeric lactic acid
US9370502B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Jul 5, 2013 |
| Grant date | Jun 21, 2016 |
| Priority date | — |
| Expiry date | Jul 5, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C69/68
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A composition comprising i) oligomeric lactic acid with the following formula (I) wherein n is an integer from 2 to 20, from 2 to 19, or from 2 to 18, and wherein from about 10 to about 20% w/w of the total weight of the oligomeric lactic acid is a trimer, HL3, having n equal to 2, wherein the number average molecular weight Mn of the oligomeric lactic acid is from about 200 to about 500, and ii) a mucoadhesive agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.