Patent intelligence · US
US 7521551
Chlorins possessing fused ring systems useful as photoselective compounds for photodynamic therapy
Chlorins possessing fused ring systems useful as photoselective compounds for photodynamic therapy
Patent details — US 7521551
- Jurisdiction
- US
- Status
- granted
- Grant date
- Apr 21, 2009
- Expiration
- Apr 16, 2029
- Applicant
- Miravant Pharmaceuticals, Inc.
- Claims
- 6
- CPC classes
- A61K, A61K41/0057, A61K41/0071, A61P
Quick answer
US 7521551 (Chlorins possessing fused ring systems useful as photoselective compounds for photodynamic therapy) is held by Miravant Pharmaceuticals, Inc.. Status: granted. Granted Apr 21, 2009. Expires Apr 16, 2029 (3 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- Miravant Pharmaceuticals, Inc.
- Grant date
- Expiration
- Claims
- 6
- CPC classes
- A61K, A61K41/0057, A61K41/0071, A61P, A61P35/00
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Frequently asked questions
What is US patent 7521551?
US 7521551 (Chlorins possessing fused ring systems useful as photoselective compounds for photodynamic therapy) is held by Miravant Pharmaceuticals, Inc.. Status: granted. Granted Apr 21, 2009. Expires Apr 16, 2029 (3 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 7521551?
Miravant Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 308 pharmaceutical patents for this assignee.
When does US 7521551 expire?
Our index shows an expiration date of Apr 16, 2029 (3 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.