C07D 209/88

With hetero atoms or with carbon atoms having three bonds to hetero

Official title: with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system

C07D209/88 (With hetero atoms or with carbon atoms having three bonds to hetero) appears on 778 US grants and 953 published applications in this corpus.

Search patents in C07D

Granted patents: 778
Published applications: 953
Assignees: 418
Inventors: 2,449
Latest grant: 1 Sep 2026

Filings by year

C07D 209/88: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	14	0
1977	8	0
1978	3	0
1979	6	0
1980	4	0
1981	8	0
1982	7	0
1983	3	0
1984	3	0
1985	2	0
1986	2	0
1987	4	0
1988	5	0
1989	5	0
1990	8	0
1991	11	0
1992	3	0
1993	2	0
1994	2	0
1995	3	0
1996	2	0
1997	10	0
1998	14	0
1999	13	0
2000	6	0
2001	10	3
2002	17	18
2003	5	25
2004	16	33
2005	9	29
2006	13	33
2007	15	38
2008	16	50
2009	21	36
2010	23	33
2011	34	36
2012	28	32
2013	30	33
2014	26	31
2015	27	39
2016	33	49
2017	33	52
2018	34	45
2019	44	59
2020	31	53
2021	33	36
2022	27	40
2023	37	40
2024	30	40
2025	27	50
2026	11	20

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

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