Preparation of acid addition salts of amine bases by solid phase—gas phase reactions
US8471011B2 · kind B2 · utility
0Cited by
8References
23Claims
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Key dates
| Filing date | Jun 29, 2005 |
| Grant date | Jun 25, 2013 |
| Priority date | — |
| Expiry date | Mar 6, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D401/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of an acid addition salt of an organic base comprising exposing the organic base in solid form to a gaseous acid, with the proviso that ziprasidone, its acid addition salts and intermediates thereof are excluded.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.