Nucleotide analog compositions
US6451340B1 · kind B1 · utility
29Cited by
4References
47Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 2001 |
| Grant date | Sep 17, 2002 |
| Priority date | — |
| Expiry date | Sep 10, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/65616
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention provides crystalline forms of adefovir dipivoxil and methods to prepare the crystals. The compositions and methods of the present invention have desirable properties for large scale synthesis of crystalline adefovir dipivoxil or for its formulation into therapeutic dosages. Invention compositions include an anhydrous crystal form of adefovir dipivoxil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.