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C09K 2019/3422

The heterocyclic ring being a six-membered ring

Official title: {the heterocyclic ring being a six-membered ring}

C09K2019/3422 (The heterocyclic ring being a six-membered ring) appears on 920 US grants and 910 published applications in this corpus.

Search patents in C09K

Granted patents: 920
Published applications: 910
Assignees: 123
Inventors: 1,077
Latest grant: 6 Oct 2026

Filings by year

C09K 2019/3422: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	1	0
1977	0	0
1978	0	0
1979	0	0
1980	1	0
1981	1	0
1982	10	0
1983	1	0
1984	5	0
1985	5	0
1986	8	0
1987	12	0
1988	7	0
1989	10	0
1990	7	0
1991	9	0
1992	10	0
1993	11	0
1994	18	0
1995	15	0
1996	10	0
1997	10	0
1998	11	0
1999	10	0
2000	9	0
2001	10	0
2002	7	13
2003	11	15
2004	19	16
2005	10	21
2006	17	19
2007	11	22
2008	17	20
2009	17	23
2010	26	32
2011	28	39
2012	29	23
2013	35	33
2014	29	52
2015	34	77
2016	61	111
2017	68	79
2018	54	83
2019	68	64
2020	52	42
2021	32	31
2022	30	21
2023	18	17
2024	18	15
2025	19	29
2026	19	13

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

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