Filings by year

B01J 23/58: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976150
197780
1978140
197950
198090
198150
198260
198390
198490
198580
198670
198730
198870
198940
1990120
1991160
199270
1993130
199450
199560
1996120
1997110
1998230
1999210
2000160
20011416
20022737
20032536
20042742
20052035
20062433
20072127
20081635
20092441
20102753
20112437
20122234
20133432
20142541
20153431
20163528
20173237
20182135
20192534
20202233
20212226
20222224
20231632
20242128
20252235
20261415

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

Recent patents

Most cited

By later US patents