A61K 31/538

Ortho- or peri-condensed with carbocyclic ring systems

Official title: ortho- or peri-condensed with carbocyclic ring systems

A61K31/538 (Ortho- or peri-condensed with carbocyclic ring systems) appears on 622 US grants and 1,177 published applications in this corpus.

Search patents in A61K
Granted patents
622
Published applications
1,177
Assignees
506
Inventors
3,082
Latest grant
15 Sep 2026

Filings by year

A61K 31/538: granted patents and published applications per publication year
YearGranted patentsPublished applications
199730
199850
199930
200070
200183
20021010
2003826
2004736
2005425
20061544
2007840
20081827
20092142
20102641
20111328
20122944
20134064
20144066
20155173
20163667
20174863
20184455
20194341
20203042
20211646
20222533
20231541
20241857
20251991
20261272

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

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