C09K 19/3461
Pyrimidine-tolane
Official title: {Pyrimidine-tolane}
C09K19/3461 (Pyrimidine-tolane) appears on 20 US grants and 9 published applications in this corpus.
Search patents in C09K- Granted patents
- 20
- Published applications
- 9
- Assignees
- 15
- Inventors
- 65
- Latest grant
- 3 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Heteroaromatic isothiocyanates3 Sep 2024US 12,077,703 B2Merck Patent GmbH
- Liquid crystal composition and liquid crystal display device20 Aug 2019US 10,385,272 B2Jnc Corporation
- Liquid crystal compound, liquid crystal composition and liquid crystal display device19 Feb 2019US 10,208,249 B2Jnc Corporation
- Optically anisotropic compound and resin composition comprising the same23 Aug 2016US 9,422,475 B2LG Chem.Ltd.
- Compound, liquid-crystal composition and optical material1 Jan 2008US 7,314,580 B2FUJIFILM Corporation
- Heteroaromatic isothiocyanates18 Apr 2024US 2024/0124780 A1Merck Patent GmbH
- Ferroelectric liquid crystal (FLC) material and chiral compound4 Apr 2024US 2024/0110101 A1Sanma Eletron (Hong Kong) Appliance Company Limited
- Liquid crystal composition, liquid crystal element, sensor, liquid crystal lens, optical communication device, and antenna13 Apr 2023US 2023/0112953 A1DIC Corporation
- Liquid crystal compound, liquid crystal composition and liquid crystal display device29 Mar 2018US 2018/0086979 A1Jnc Corporation
- Liquid crystal composition and liquid crystal display device2 Nov 2017US 2017/0313940 A1Jnc Corporation
Most cited
By later US patents
- Ethyne derivatives as a component of liquid crystal phases19US 5,068,053 AMerck Patent GmbH · 1991
- Fluoro-substituted phenyl-cyclohexylacetylenes10US 5,399,292 AHoffmann-La Roche Inc. · 1995
- Diphenylacetylene compound, process for preparing the same and liquid crystal composition and element comprising the same10US 5,658,489 ASumitomo Chemical Company, Limited · 1997
- Ethyne derivatives9US 5,164,114 AMerck Patent Gesellschaft mit beschraenkter Haftung · 1992
- Liquid crystal compounds7US 5,447,657 AHoffmann-La Roche Inc. · 1995