C07C 233/16

Having the nitrogen atom of at least one of the carboxamide groups

Official title: having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms

C07C233/16 (Having the nitrogen atom of at least one of the carboxamide groups) appears on 1,520 US grants and 1,220 published applications in this corpus.

Search patents in C07C

Granted patents: 1,520
Published applications: 1,220
Assignees: 816
Inventors: 3,997
Latest grant: 25 Aug 2026

Filings by year

C07C 233/16: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	8	0
1977	11	0
1978	14	0
1979	9	0
1980	4	0
1981	8	0
1982	7	0
1983	2	0
1984	6	0
1985	8	0
1986	6	0
1987	8	0
1988	4	0
1989	6	0
1990	20	0
1991	25	0
1992	29	0
1993	32	0
1994	29	0
1995	29	0
1996	70	0
1997	74	0
1998	66	0
1999	50	0
2000	43	0
2001	44	10
2002	46	38
2003	35	50
2004	43	61
2005	22	53
2006	32	49
2007	41	55
2008	35	58
2009	39	47
2010	39	57
2011	30	45
2012	42	45
2013	26	47
2014	53	64
2015	42	61
2016	53	57
2017	42	60
2018	35	41
2019	35	47
2020	40	53
2021	40	42
2022	34	34
2023	30	52
2024	35	27
2025	20	38
2026	19	29

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

Having the nitrogen atom of at least one of the carboxamide groups

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