US 8278437
Hydroxypropyl-sulfobutyl-beta-cyclodextrin, the preparation method, the analytical method, and the pharmacutical application thereof
granted A61KA61K31/724A61K47/40
Quick answer
US patent 8278437 (Hydroxypropyl-sulfobutyl-beta-cyclodextrin, the preparation method, the analytical method, and the pharmacutical application thereof) held by Hainan Hdeton Science and Technology Co., Ltd. expires Mon Sep 27 2032 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- Hainan Hdeton Science and Technology Co., Ltd.
- Grant date
- Tue Oct 02 2012 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Sep 27 2032 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 16
- CPC classes
- A61K, A61K31/724, A61K47/40, A61K47/6951, A61K9/0019