Filings by year

C07C 51/38: granted patents and published applications per publication year
YearGranted patentsPublished applications
197690
197780
197840
197950
198020
198120
198250
198340
198420
198510
198620
198720
198840
198920
199020
199120
199200
199340
199420
199520
199630
199740
199850
199920
200020
200160
200222
200304
200427
200533
200642
200711
200833
200912
201014
201132
201236
201324
201415
2015108
201657
201745
201843
201925
202045
202165
202221
202323
202402
202515
202603

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

Recent patents

Most cited

By later US patents