A61K 8/8147

Homopolymers or copolymers of acids

Official title: {Homopolymers or copolymers of acids; Metal or ammonium salts thereof, e.g. crotonic acid, (meth)acrylic acid; Compositions of derivatives of such polymers}

A61K8/8147 (Homopolymers or copolymers of acids) appears on 1,358 US grants and 1,943 published applications in this corpus.

Search patents in A61K

Granted patents: 1,358
Published applications: 1,943
Assignees: 571
Inventors: 3,732
Latest grant: 15 Sep 2026

Filings by year

A61K 8/8147: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	13	0
1977	6	0
1978	7	0
1979	7	0
1980	5	0
1981	7	0
1982	4	0
1983	8	0
1984	3	0
1985	7	0
1986	1	0
1987	15	0
1988	7	0
1989	15	0
1990	10	0
1991	25	0
1992	16	0
1993	13	0
1994	10	0
1995	11	0
1996	11	0
1997	21	0
1998	34	0
1999	31	0
2000	43	0
2001	45	16
2002	42	57
2003	32	77
2004	26	52
2005	11	47
2006	21	42
2007	17	63
2008	13	52
2009	9	38
2010	14	63
2011	8	58
2012	25	41
2013	40	61
2014	38	74
2015	43	113
2016	29	107
2017	75	113
2018	61	102
2019	66	115
2020	84	124
2021	59	136
2022	71	145
2023	54	95
2024	58	73
2025	54	48
2026	33	31

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

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