US 6849120
Oxidation method for preparing highly pure modafinil, crystalline forms of modafinil, and methods of preparing the crystalline forms
expired A61KA61K31/165A61P
Quick answer
US patent 6849120 (Oxidation method for preparing highly pure modafinil, crystalline forms of modafinil, and methods of preparing the crystalline forms) held by TEVA PHARMACEUTICAL INDUSTRIES, LTD. expires Mon Jan 27 2025 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- TEVA PHARMACEUTICAL INDUSTRIES, LTD.
- Grant date
- Tue Feb 01 2005 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Jan 27 2025 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 17
- CPC classes
- A61K, A61K31/165, A61P, A61P25/00, A61P25/18