Filings by year

C01F 17/294: granted patents and published applications per publication year
YearGranted patentsPublished applications
198110
198200
198300
198400
198500
198600
198700
198800
198900
199000
199100
199210
199310
199410
199500
199600
199700
199820
199900
200010
200110
200200
200301
200401
200510
200601
200710
200813
200900
201011
201111
201200
201300
201400
201501
201614
201711
201831
201912
202001
202121
202201
202311
202411
202510
202601

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

Recent patents

Most cited

By later US patents