C09K 19/14
Linked by a carbon chain
Official title: linked by a carbon chain
C09K19/14 (Linked by a carbon chain) appears on 525 US grants and 530 published applications in this corpus.
Search patents in C09K- Granted patents
- 525
- Published applications
- 530
- Assignees
- 146
- Inventors
- 930
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 12 | 0 |
| 1994 | 16 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 9 | 0 |
| 1998 | 4 | 0 |
| 1999 | 10 | 0 |
| 2000 | 6 | 0 |
| 2001 | 15 | 4 |
| 2002 | 4 | 10 |
| 2003 | 12 | 7 |
| 2004 | 9 | 12 |
| 2005 | 5 | 15 |
| 2006 | 8 | 17 |
| 2007 | 11 | 10 |
| 2008 | 13 | 10 |
| 2009 | 8 | 13 |
| 2010 | 13 | 8 |
| 2011 | 12 | 16 |
| 2012 | 12 | 19 |
| 2013 | 15 | 17 |
| 2014 | 8 | 26 |
| 2015 | 22 | 26 |
| 2016 | 21 | 21 |
| 2017 | 30 | 39 |
| 2018 | 17 | 53 |
| 2019 | 31 | 52 |
| 2020 | 31 | 32 |
| 2021 | 23 | 30 |
| 2022 | 24 | 15 |
| 2023 | 23 | 27 |
| 2024 | 20 | 18 |
| 2025 | 17 | 15 |
| 2026 | 11 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquid crystal medium and electronic component6 Oct 2026US 12,753,345 B2Merck Patent GmbH
- Liquid crystal compounds29 Sep 2026US 12,747,392 B2Rolic Technologies AG
- Polymerisable liquid crystal material and polymerised liquid crystal film21 Jul 2026US 12,686,820 B2Merck Patent GmbH
- Liquid crystal compositions and display panels using the same23 Jun 2026US 12,662,629 B2Tcl China Star Optoelectronics Technology Co., Ltd.
- Liquid crystal compounds16 Jun 2026US 12,655,349 B2Rolic Technologies AG
- Chiral reactive mesogen mixture24 Sep 2026US 2026/0286221 A1Merck Patent GmbH
- Polymerizable liquid crystal formulations20 Aug 2026US 2026/0242666 A1Merck Patent GmbH
- Reactive mesogens with high birefringence13 Aug 2026US 2026/0234472 A1Merck Patent GmbH
- Liquid-crystalline medium6 Aug 2026US 2026/0226350 A1Merck Patent GmbH
- Reactive mesogens16 Jul 2026US 2026/0201251 A1Merck Patent GmbH
Most cited
By later US patents
- Liquid crystal composition and liquid crystal display device182US 8,361,569 B2Jnc Corporation · 2013
- Novel liquid crystal mixtures79US 4,621,901 AHoffmann-La Roche Inc. · 1986
- Liquid crystals66US 4,565,425 AHoffmann-La Roche Inc. · 1986
- Liquid crystals61US 4,676,604 AHoffmann-La Roche Inc. · 1987
- Polymerizable liquid crystal composition and optically anisotropic film comprising the same56US 5,863,457 ADainippon Ink and Chemicals, Inc. · 1999