Filings by year

C08K 3/22: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976940
1977800
1978960
1979640
1980410
1981530
1982410
1983380
1984430
1985380
1986420
1987540
1988500
1989650
1990450
1991750
1992800
1993970
1994710
1995730
1996670
1997570
1998740
1999810
2000850
20019634
20029699
200391148
200488139
200575177
200672160
200755188
200863216
200957251
2010116296
2011121290
2012155304
2013163350
2014246437
2015284611
2016344596
2017364609
2018407705
2019467716
2020511821
2021502790
2022437786
2023508798
2024467696
2025447589
2026304467

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

Subgroups

Granted patents
All 20 subgroups

Recent patents

Most cited

By later US patents