Filings by year

C07D 251/28: granted patents and published applications per publication year
YearGranted patentsPublished applications
197720
197800
197910
198020
198180
198240
198320
198410
198530
198610
198700
198810
198900
199000
199100
199210
199300
199410
199510
199600
199700
199800
199900
200010
200120
200203
200310
200410
200520
200600
200700
200801
200900
201000
201111
201202
201301
201411
201500
201601
201712
201802
201912
202021
202101
202200
202302
202400
202510
202611

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

Recent patents

Most cited

By later US patents