US 6756472
Process for producing polymer
expired A61KA61K47/34A61K9/113
Quick answer
US patent 6756472 (Process for producing polymer) held by Takeda Chemical Industries Ltd. expires Mon Jun 24 2024 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Takeda Chemical Industries Ltd.
- Grant date
- Tue Jun 29 2004 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Jun 24 2024 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 10
- CPC classes
- A61K, A61K47/34, A61K9/113, A61K9/1647