Wednesday, June 10, 2026

Patent intelligence · EP

EP 1786431

VERBESSERTE PHOTOSENSITIZERFORMULIERUNGEN UND DEREN VERWENDUNG

granted A61K 31/ 195 A IA61K 31/ 366 A IA61K 31/ 409 A IA61K 41/ 00 A I
Status granted
Years to expiry 1
Applicant portfolio 25
Patent details — EP 1786431
Jurisdiction
EP
Status
granted
Grant date
May 23, 2007
Expiration
May 18, 2027
CPC classes
A61K 31/ 195 A I, A61K 31/ 366 A I, A61K 31/ 409 A I, A61K 41/ 00 A I
View on Google Patents ↗

Quick answer

EP 1786431 (VERBESSERTE PHOTOSENSITIZERFORMULIERUNGEN UND DEREN VERWENDUNG) is held by CERAMOPTEC IND INC [US]. Status: granted. Granted May 23, 2007. Expires May 18, 2027 (1 year remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
CPC classes
A61K 31/ 195 A I, A61K 31/ 366 A I, A61K 31/ 409 A I, A61K 41/ 00 A I, A61K/31195, A61K/31366

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Frequently asked questions

What is US patent 1786431?

EP 1786431 (VERBESSERTE PHOTOSENSITIZERFORMULIERUNGEN UND DEREN VERWENDUNG) is held by CERAMOPTEC IND INC [US]. Status: granted. Granted May 23, 2007. Expires May 18, 2027 (1 year remaining) — relevant for patent-cliff and LOE planning.

Who owns EP 1786431?

CERAMOPTEC IND INC [US] is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 25 pharmaceutical patents for this assignee.

When does EP 1786431 expire?

Our index shows an expiration date of May 18, 2027 (1 year from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.