C07D 277/68

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

C07D277/68 (With hetero atoms or with carbon atoms having three bonds to hetero) appears on 1,708 US grants and 1,288 published applications in this corpus.

Search patents in C07D

Granted patents: 1,708
Published applications: 1,288
Assignees: 756
Inventors: 4,965
Latest grant: 29 Sep 2026

Filings by year

C07D 277/68: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	18	0
1977	33	0
1978	18	0
1979	10	0
1980	29	0
1981	34	0
1982	23	0
1983	29	0
1984	37	0
1985	26	0
1986	22	0
1987	22	0
1988	33	0
1989	34	0
1990	34	0
1991	35	0
1992	22	0
1993	41	0
1994	42	0
1995	32	0
1996	53	0
1997	45	0
1998	36	0
1999	35	0
2000	35	0
2001	36	5
2002	43	47
2003	36	71
2004	31	85
2005	37	84
2006	48	57
2007	43	64
2008	39	71
2009	33	65
2010	49	80
2011	56	54
2012	44	47
2013	46	37
2014	51	55
2015	40	45
2016	39	42
2017	28	43
2018	27	43
2019	31	45
2020	38	52
2021	33	35
2022	24	25
2023	18	41
2024	25	44
2025	19	27
2026	16	24

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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