C07D 333/26

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 ring carbon atoms

C07D333/26 (With hetero atoms or with carbon atoms having three bonds to hetero) appears on 3,584 US grants and 2,868 published applications in this corpus.

Search patents in C07D

Granted patents: 3,584
Published applications: 2,868
Assignees: 1,336
Inventors: 9,785
Latest grant: 15 Sep 2026

Filings by year

C07D 333/26: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	45	0
1977	53	0
1978	61	0
1979	30	0
1980	60	0
1981	45	0
1982	62	0
1983	37	0
1984	48	0
1985	43	0
1986	42	0
1987	43	0
1988	50	0
1989	56	0
1990	70	0
1991	58	0
1992	60	0
1993	64	0
1994	51	0
1995	67	0
1996	59	0
1997	65	0
1998	84	0
1999	69	0
2000	72	0
2001	109	17
2002	118	106
2003	104	191
2004	111	212
2005	78	158
2006	132	157
2007	100	161
2008	92	142
2009	107	173
2010	112	173
2011	120	130
2012	127	141
2013	120	112
2014	113	125
2015	91	119
2016	83	102
2017	83	76
2018	61	69
2019	59	62
2020	55	70
2021	38	52
2022	41	63
2023	40	89
2024	37	69
2025	38	53
2026	21	46

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

Filings by year

Subgroups

Recent patents

Most cited