1,3-Propane diol esters and ethers and methods for their use in drug delivery
USRE40480E1 · kind E1 · reissue
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7Claims
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Key dates
| Filing date | May 1, 1996 |
| Grant date | Sep 2, 2008 |
| Priority date | — |
| Expiry date | May 1, 2016 |
Classification
- Technology area (CPC —)General
Abstract
The invention relates to compounds of formula: wherein R1 is selected from the group consisting of fatty acid acyl groups of 12 to 30 carbon atoms and fatty alcohol groups of 12 to 30 carbon atoms, and wherein R2 is selected from the group consisting of H, fatty acid acyl of 12 to 30 carbon atoms and fatty alcohol groups of 12 to 30 carbon atoms, the same as or different from R1, and the residue of a nutrient, drug, or other bioactive compound, and to the use of these compounds to deliver drugs and other bioactive compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.