Filings by year

C01F 7/424: granted patents and published applications per publication year
YearGranted patentsPublished applications
199210
199300
199410
199510
199610
199700
199800
199910
200000
200110
200211
200331
200411
200503
200630
200700
200810
200900
201000
201100
201200
201300
201400
201500
201600
201710
201800
201901
202000
202110
202201
202300
202400
202510
202601

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

Recent patents

Most cited

By later US patents