A01N 37/44

Containing at least one carboxylic group or a thio analogue, or a

Official title: containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids

A01N37/44 (Containing at least one carboxylic group or a thio analogue, or a) appears on 2,396 US grants and 2,515 published applications in this corpus.

Search patents in A01N

Granted patents: 2,396
Published applications: 2,515
Assignees: 1,034
Inventors: 5,493
Latest grant: 29 Sep 2026

Filings by year

A01N 37/44: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	16	0
1977	28	0
1978	18	0
1979	17	0
1980	43	0
1981	30	0
1982	39	0
1983	28	0
1984	31	0
1985	29	0
1986	38	0
1987	18	0
1988	30	0
1989	43	0
1990	30	0
1991	43	0
1992	30	0
1993	54	0
1994	55	0
1995	48	0
1996	49	0
1997	43	0
1998	50	0
1999	56	0
2000	50	0
2001	72	15
2002	62	43
2003	29	51
2004	18	59
2005	23	36
2006	21	30
2007	16	46
2008	18	52
2009	15	65
2010	30	76
2011	21	79
2012	30	78
2013	54	102
2014	68	151
2015	86	119
2016	85	152
2017	94	155
2018	103	150
2019	120	126
2020	92	129
2021	86	138
2022	71	128
2023	69	145
2024	87	156
2025	73	154
2026	37	80

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

Containing at least one carboxylic group or a thio analogue, or a

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