Filings by year

C07D 251/16: granted patents and published applications per publication year
YearGranted patentsPublished applications
197640
197760
197880
197950
1980100
198170
1982130
1983170
1984140
1985130
1986160
1987180
198840
198950
1990110
199180
1992160
1993110
199490
1995100
1996200
1997110
1998100
1999130
2000130
2001123
20021610
2003823
2004513
20051312
2006913
2007710
200857
2009811
2010516
20111318
20121314
2013714
20141013
20151713
20161115
20171724
20181310
20191316
20201113
202199
20221418
202384
202468
2025812
202623

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents