Filings by year

C07F 9/22: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976520
1977280
1978320
1979270
1980320
1981200
1982100
1983170
1984170
1985280
1986190
1987100
1988110
1989100
199080
199170
1992130
1993170
199480
1995110
1996190
1997170
1998200
1999220
2000140
2001163
20021415
20031326
20041627
20051325
20061827
20071823
20081423
20091618
20102429
20111427
20122318
20131828
20143538
20152731
20162833
20172727
20182340
20193343
20203333
20212928
20222321
20231630
20241723
20251221
20261115

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