D21H 17/34

Obtained by reactions only involving carbon-to-carbon unsaturated bonds

Official title: obtained by reactions only involving carbon-to-carbon unsaturated bonds

D21H17/34 (Obtained by reactions only involving carbon-to-carbon unsaturated bonds) appears on 1,767 US grants and 1,476 published applications in this corpus.

Search patents in D21H

Granted patents: 1,767
Published applications: 1,476
Assignees: 651
Inventors: 3,456
Latest grant: 29 Sep 2026

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D21H 17/34: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	26	0
1977	23	0
1978	29	0
1979	19	0
1980	28	0
1981	28	0
1982	22	0
1983	24	0
1984	24	0
1985	30	0
1986	28	0
1987	15	0
1988	20	0
1989	36	0
1990	30	0
1991	27	0
1992	39	0
1993	37	0
1994	26	0
1995	26	0
1996	41	0
1997	31	0
1998	32	0
1999	41	0
2000	47	0
2001	48	5
2002	37	39
2003	28	50
2004	37	51
2005	15	49
2006	18	69
2007	26	57
2008	8	63
2009	23	53
2010	48	81
2011	52	56
2012	49	67
2013	62	61
2014	61	66
2015	39	79
2016	43	59
2017	60	81
2018	46	52
2019	47	58
2020	60	56
2021	44	68
2022	50	51
2023	42	67
2024	38	65
2025	33	42
2026	24	31

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

Obtained by reactions only involving carbon-to-carbon unsaturated bonds

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