Filings by year

C07C 2/864: granted patents and published applications per publication year
YearGranted patentsPublished applications
197690
1977100
1978230
197960
198040
1981160
198270
1983150
1984180
1985140
1986150
198760
198870
198960
1990100
1991120
199260
199390
199420
199580
199670
199790
199830
199960
200050
200110
200236
2003107
200434
2005612
200699
200791
200877
200947
201052
2011425
2012815
20131329
20141224
20152024
20162123
20172212
20181320
20192119
20201515
20211714
2022106
2023104
202403
202524
202623

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

Recent patents

Most cited

By later US patents