Filings by year

B01J 23/46: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976190
1977120
1978130
1979210
1980120
1981150
1982120
1983210
1984140
1985110
198650
1987110
198880
198950
1990100
1991150
1992120
199380
199480
199560
199660
1997110
199890
1999180
2000150
20012013
20023034
20032639
20042967
20051958
20062652
20072950
20081959
20093658
20104856
20113956
20123876
20135080
20144889
20157882
201677100
201779113
20189590
20198191
202078121
202186132
202281125
202384130
202477123
20257293
20264956

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