Filings by year

C01F 7/304: granted patents and published applications per publication year
YearGranted patentsPublished applications
198620
198710
198800
198900
199000
199110
199200
199300
199400
199500
199600
199700
199800
199900
200010
200101
200200
200301
200400
200501
200600
200711
200802
200900
201012
201100
201211
201300
201400
201521
201611
201732
201801
201900
202001
202101
202222
202300
202401
202520
202601

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

Recent patents

Most cited

By later US patents