C07D 235/24

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 in position 2

C07D235/24 (With hetero atoms or with carbon atoms having three bonds to hetero) appears on 1,544 US grants and 1,260 published applications in this corpus.

Search patents in C07D

Granted patents: 1,544
Published applications: 1,260
Assignees: 751
Inventors: 4,791
Latest grant: 8 Sep 2026

Filings by year

C07D 235/24: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	35	0
1977	26	0
1978	33	0
1979	30	0
1980	25	0
1981	36	0
1982	22	0
1983	16	0
1984	19	0
1985	21	0
1986	16	0
1987	14	0
1988	11	0
1989	18	0
1990	25	0
1991	28	0
1992	22	0
1993	21	0
1994	26	0
1995	24	0
1996	24	0
1997	32	0
1998	34	0
1999	38	0
2000	35	0
2001	43	8
2002	47	58
2003	38	59
2004	31	67
2005	25	66
2006	39	53
2007	38	61
2008	33	50
2009	35	57
2010	33	59
2011	35	52
2012	36	54
2013	42	48
2014	47	53
2015	55	47
2016	26	54
2017	37	46
2018	29	53
2019	51	46
2020	41	55
2021	36	38
2022	30	36
2023	24	43
2024	25	43
2025	24	29
2026	13	25

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

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

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