Filings by year

C09K 19/406: granted patents and published applications per publication year
YearGranted patentsPublished applications
198110
198220
198330
198400
198510
198600
198730
198820
1989110
1990120
199170
199240
1993170
1994140
1995150
1996290
1997260
1998170
1999110
200070
2001101
200263
200319
200481
2005111
200673
2007211
200876
200958
20101216
2011117
201285
201375
201454
201588
201643
201755
201833
201957
202016
202144
202252
202315
202461
202523
202614

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