Filings by year

C01D 1/40: granted patents and published applications per publication year
YearGranted patentsPublished applications
198010
198120
198200
198300
198400
198500
198610
198700
198800
198900
199000
199100
199200
199300
199410
199520
199600
199700
199810
199910
200000
200130
200200
200300
200400
200500
200600
200700
200800
200900
201004
201111
201232
201311
201410
201513
201600
201700
201810
201910
202000
202103
202201
202310
202404
202502
202602

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

Recent patents

Most cited

By later US patents