Monday, June 8, 2026
Patent

US 2011206613

METHOD AND APPLICATION OF UNSYMMETRICALLY meso-SUBSTITUTED PORPHYRINS AND CHLORINS FOR PDT

granted A61K 31/ 409 A IA61K 31/ 7056 A IA61K 49/ 00 A I

Quick answer

US patent 2011206613 (METHOD AND APPLICATION OF UNSYMMETRICALLY meso-SUBSTITUTED PORPHYRINS AND CHLORINS FOR PDT) held by WIEHE ARNO [DE] expires Wed Aug 20 2031 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.

Key facts

Applicant
WIEHE ARNO [DE]
Grant date
Thu Aug 25 2011 00:00:00 GMT+0000 (Coordinated Universal Time)
Expiration
Wed Aug 20 2031 00:00:00 GMT+0000 (Coordinated Universal Time)
Claims
CPC classes
A61K 31/ 409 A I, A61K 31/ 7056 A I, A61K 49/ 00 A I, A61P 19/ 02 A I, A61P 29/ 00 A I