Norastemizole polymorphs
US6627646B2 · kind B2 · utility
182Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 17, 2001 |
| Grant date | Sep 30, 2003 |
| Priority date | — |
| Expiry date | Jul 17, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P37/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Polymorphic crystalline forms of the antihistaminic drug norasternizole are disclosed. Processes for the production of the preferred polymorph are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.