US 6221893
Administration of histamine for therapeutic purposes
expired A61KA61K31/417A61K38/2013
Quick answer
US patent 6221893 (Administration of histamine for therapeutic purposes) held by Maxim Pharmaceuticals, Inc. expires Mon Apr 19 2021 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Maxim Pharmaceuticals, Inc.
- Grant date
- Tue Apr 24 2001 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Apr 19 2021 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 23
- CPC classes
- A61K, A61K31/417, A61K38/2013, A61K38/212, A61K45/06