Filings by year

C01F 7/36: granted patents and published applications per publication year
YearGranted patentsPublished applications
197670
197740
197840
197970
198040
198110
198210
198310
198430
198520
198640
198740
198840
198980
199030
199140
199210
199300
199420
199520
199620
199710
199820
199920
200060
200130
200200
200313
200402
200512
200616
200722
200821
200902
201035
201141
201223
201341
201413
201512
201621
201713
201814
201924
202030
202133
202212
202333
202423
202511
202620

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

Recent patents

Most cited

By later US patents