Filings by year

B01J 23/52: granted patents and published applications per publication year
YearGranted patentsPublished applications
197660
197710
197830
197940
198010
198100
198230
198310
198420
198510
198600
198720
198820
198910
199010
199120
199210
199360
199480
199550
199660
1997110
199880
1999110
2000160
2001137
20021613
20031021
20041313
2005818
20061422
2007724
2008938
20091524
20101837
20112128
20122829
20132244
20141753
20153446
20163542
20174043
20182744
20194036
20204255
20213531
20222225
20232121
20242128
20251723
2026615

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

Recent patents

Most cited

By later US patents