Filings by year

B01J 23/86: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976270
1977150
1978150
1979140
198080
1981160
198240
1983120
1984180
1985170
1986120
1987110
1988110
1989110
199080
1991110
1992100
199360
199420
199590
199660
199760
199830
199910
200030
200142
2002518
2003616
2004717
2005612
200675
200769
2008714
2009816
20101525
2011527
20121313
20131023
20142517
20151416
20161618
20171816
20182015
20191518
2020913
20211219
20221011
20231411
20241414
202559
202679

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