Filings by year

C01D 3/12: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197900
198000
198100
198200
198300
198400
198500
198600
198700
198800
198900
199000
199100
199210
199300
199400
199500
199600
199700
199800
199900
200000
200100
200201
200311
200400
200500
200610
200700
200800
200901
201013
201100
201221
201300
201400
201500
201611
201700
201822
201900
202022
202110
202211
202300
202411
202501
202601

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

Recent patents

Most cited

By later US patents