Filings by year

C09K 8/506: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976110
1977100
1978120
197950
198080
198140
198260
198350
1984150
1985130
1986110
1987180
1988230
1989300
1990280
1991310
1992190
1993220
1994220
1995210
1996130
1997150
1998190
1999220
2000240
2001234
2002189
20032336
20042149
20052065
20065066
20073854
20083057
20093266
20105957
20115771
20124561
20133648
20145371
20154951
20163777
20175483
201874130
2019113148
2020137111
2021131105
20229577
20238561
20248655
20255548
20262541

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