C07C 233/45

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 carboxyl groups

C07C233/45 (Having the nitrogen atom of at least one of the carboxamide groups) appears on 1,141 US grants and 999 published applications in this corpus.

Search patents in C07C

Granted patents: 1,141
Published applications: 999
Assignees: 649
Inventors: 3,232
Latest grant: 8 Sep 2026

Filings by year

C07C 233/45: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	9	0
1977	8	0
1978	4	0
1979	3	0
1980	8	0
1981	2	0
1982	1	0
1983	3	0
1984	6	0
1985	8	0
1986	1	0
1987	5	0
1988	2	0
1989	5	0
1990	11	0
1991	8	0
1992	19	0
1993	31	0
1994	26	0
1995	34	0
1996	28	0
1997	39	0
1998	44	0
1999	55	0
2000	41	0
2001	28	6
2002	39	45
2003	36	33
2004	14	53
2005	28	39
2006	28	37
2007	24	42
2008	19	32
2009	27	43
2010	20	42
2011	23	44
2012	34	43
2013	34	40
2014	47	43
2015	38	39
2016	32	45
2017	36	36
2018	26	42
2019	36	45
2020	43	61
2021	25	30
2022	27	34
2023	19	33
2024	27	28
2025	15	42
2026	15	22

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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