Filings by year

C01F 7/025: granted patents and published applications per publication year
YearGranted patentsPublished applications
197640
197710
197810
197920
198040
198110
198210
198300
198410
198520
198600
198710
198810
198910
199010
199100
199200
199300
199410
199500
199610
199710
199800
199900
200010
200100
200211
200305
200410
200512
200611
200700
200810
200912
201001
201100
201202
201311
201412
201520
201621
201702
201835
201913
202021
202132
202201
202302
202410
202511
202621

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

Recent patents

Most cited

By later US patents