Filings by year

C07D 277/28: granted patents and published applications per publication year
YearGranted patentsPublished applications
197640
197720
197840
197930
198030
198130
198240
198370
198460
198510
198650
198750
198860
198940
1990140
1991110
1992120
1993170
1994170
1995100
1996240
1997320
1998130
1999110
2000150
2001158
20022020
20031738
20041644
20052038
20062037
20073144
20082443
20091635
20101940
20112430
20122626
20131734
20142948
20154233
20162840
20172628
20181929
20192117
20201725
2021721
20221428
2023923
20241319
20251222
2026619

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

Recent patents

Most cited

By later US patents