Filings by year

C07D 501/57: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976110
1977170
197860
197920
1980120
198130
198280
198340
198420
198530
198610
198730
198810
198920
199030
199110
199210
199300
199400
199500
199600
199700
199800
199900
200000
200100
200200
200300
200400
200500
200600
200700
200800
200900
201000
201100
201200
201300
201414
201513
201601
201710
201800
201902
202012
202110

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents