Filings by year

C07C 251/08: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197800
197900
198000
198100
198200
198300
198410
198500
198600
198700
198800
198900
199010
199130
199220
199320
199410
199550
199650
199700
199830
199910
200050
200122
200235
200386
200426
200557
200631
200705
200813
200947
201028
201178
201247
201354
201448
201554
201694
201769
201868
201965
202049
202162
202255
202345
202412
202520
202620

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

Recent patents

Most cited

By later US patents