Filings by year

C07C 39/20: granted patents and published applications per publication year
YearGranted patentsPublished applications
199310
199420
199500
199600
199700
199800
199900
200000
200100
200200
200300
200400
200500
200600
200700
200800
200900
201001
201100
201200
201301
201400
201520
201601
201712
201802
201933
202011
202110
202211
202310
202400
202512
202601

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

Recent patents

Most cited

By later US patents