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C09K 19/3861

Containing condensed ring systems

Official title: {containing condensed ring systems}

C09K19/3861 (Containing condensed ring systems) appears on 109 US grants and 120 published applications in this corpus.

Search patents in C09K

Granted patents: 109
Published applications: 120
Assignees: 52
Inventors: 292
Latest grant: 9 Jun 2026

Filings by year

C09K 19/3861: granted patents and published applications per publication year
Year	Granted patents	Published applications
1983	1	0
1984	0	0
1985	0	0
1986	0	0
1987	2	0
1988	1	0
1989	0	0
1990	4	0
1991	0	0
1992	1	0
1993	3	0
1994	0	0
1995	0	0
1996	1	0
1997	1	0
1998	4	0
1999	1	0
2000	1	0
2001	1	1
2002	1	1
2003	1	4
2004	2	2
2005	0	2
2006	2	4
2007	2	7
2008	3	6
2009	5	3
2010	8	6
2011	3	1
2012	2	0
2013	1	0
2014	0	1
2015	0	6
2016	3	4
2017	2	9
2018	4	8
2019	5	11
2020	7	12
2021	9	9
2022	5	8
2023	7	5
2024	9	2
2025	4	3
2026	3	5

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

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Most cited

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