Filings by year

C04B 24/283: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197900
198010
198100
198200
198300
198400
198510
198600
198700
198800
198900
199000
199100
199200
199300
199400
199500
199600
199710
199800
199910
200010
200100
200200
200300
200410
200500
200600
200700
200800
200900
201000
201100
201201
201300
201411
201504
201614
201742
201834
201938
202052
202142
202214
202340
202411
202520
202601

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

Subgroups

Granted patents