Filings by year

C10B 55/04: granted patents and published applications per publication year
YearGranted patentsPublished applications
197760
197830
197930
198020
198140
198220
198340
198420
198540
198620
198700
198800
198950
199010
199110
199210
199300
199400
199520
199600
199720
199800
199910
200010
200100
200200
200300
200400
200502
200601
200710
200801
200901
201003
201122
201229
201344
201410
201565
201624
201741
201812
201935
202044
202124
202244
202319
202413
202523
202684

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents