Filings by year

C07D 221/24: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197820
197910
198000
198100
198200
198300
198400
198500
198600
198700
198820
198930
199000
199100
199210
199300
199410
199500
199620
199740
199830
199920
200020
200111
200236
200322
200412
200531
200611
200731
200801
200915
201003
201111
201231
201331
201410
201511
201612
201700
201801
201921
202011
202102
202212
202300
202402
202511

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents