C09K 19/42

Mixtures of liquid crystal compounds covered by two or more of the

Official title: Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40

C09K19/42 (Mixtures of liquid crystal compounds covered by two or more of the) appears on 1,351 US grants and 878 published applications in this corpus.

Search patents in C09K

Granted patents: 1,351
Published applications: 878
Assignees: 235
Inventors: 1,532
Latest grant: 7 Jul 2026

Filings by year

C09K 19/42: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	18	0
1977	18	0
1978	8	0
1979	8	0
1980	8	0
1981	6	0
1982	12	0
1983	8	0
1984	7	0
1985	10	0
1986	7	0
1987	12	0
1988	23	0
1989	20	0
1990	17	0
1991	22	0
1992	29	0
1993	44	0
1994	37	0
1995	35	0
1996	26	0
1997	30	0
1998	56	0
1999	37	0
2000	45	0
2001	37	4
2002	27	41
2003	41	38
2004	41	34
2005	23	21
2006	24	22
2007	21	29
2008	26	47
2009	28	46
2010	60	56
2011	35	70
2012	45	34
2013	55	67
2014	37	36
2015	45	69
2016	54	62
2017	45	45
2018	39	45
2019	38	27
2020	23	27
2021	26	15
2022	14	12
2023	8	2
2024	6	6
2025	7	11
2026	3	12

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

Mixtures of liquid crystal compounds covered by two or more of the

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