Filings by year

C07C 59/21: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197720
197800
197910
198000
198110
198210
198310
198410
198520
198610
198710
198800
198910
199000
199100
199200
199300
199400
199500
199600
199710
199800
199900
200000
200100
200200
200300
200400
200500
200601
200700
200800
200900
201000
201100
201200
201311
201401
201502
201621
201710
201800
201900
202010
202101
202200
202300
202411
202500
202601

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

Recent patents

Most cited

By later US patents