Filings by year

C07C 323/40: granted patents and published applications per publication year
YearGranted patentsPublished applications
198940
199050
199180
1992170
1993140
1994170
1995190
1996150
1997100
1998160
1999190
2000100
200193
20021818
20031827
20041638
20051121
20061532
20071323
20081624
20091927
20102830
20112230
20122421
20132421
20142123
20152019
20161517
20171824
201886
2019615
2020613
2021119
202257
2023617
2024918
2025515
202677

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