C09K 19/3469
Pyrimidine with a specific end-group other than alkyl, alkoxy or -c*-
Official title: {Pyrimidine with a specific end-group other than alkyl, alkoxy or -C*-}
C09K19/3469 (Pyrimidine with a specific end-group other than alkyl, alkoxy or -c*-) appears on 156 US grants and 30 published applications in this corpus.
Search patents in C09K- Granted patents
- 156
- Published applications
- 30
- Assignees
- 46
- Inventors
- 235
- Latest grant
- 3 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 10 | 0 |
| 1994 | 10 | 0 |
| 1995 | 19 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 1 |
| 2002 | 3 | 4 |
| 2003 | 3 | 4 |
| 2004 | 7 | 2 |
| 2005 | 2 | 2 |
| 2006 | 2 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 2 | 1 |
| 2010 | 0 | 3 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 3 |
| 2015 | 3 | 2 |
| 2016 | 1 | 1 |
| 2017 | 3 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Heteroaromatic isothiocyanates3 Sep 2024US 12,077,703 B2Merck Patent GmbH
- Liquid crystal composition, method for producing retardation layer, and circularly polarizing plate14 Jan 2020US 10,533,137 B2Zeon Corporation
- Liquid crystal medium and liquid crystal display21 Nov 2017US 9,822,305 B2Merck Patent GmbH
- Mesogenic compound, liquid-crystal medium and liquid crystal display7 Nov 2017US 9,809,749 B2Merck Patent GmbH
- Lens element4 Apr 2017US 9,612,445 B2Merck Patent GmbH
- Heteroaromatic isothiocyanates18 Apr 2024US 2024/0124780 A1Merck Patent GmbH
- Method for manufacturing polymer dispersed liquid crystal display element, and polymer dispersed liquid crystal display element1 Jun 2023US 2023/0167364 A1DIC Corporation
- Liquid crystal composition, method for producing retardation layer, and circularly polarizing plate15 Mar 2018US 2018/0072952 A1Zeon Corporation
- Mesogenic compound, liquid-crystal medium and liquid crystal display28 Apr 2016US 2016/0115388 A1Merck Patent GmbH
- Lens element22 Oct 2015US 2015/0301344 A1Merck Patent GmbH
Most cited
By later US patents
- Novel liquid crystal mixtures79US 4,621,901 AHoffmann-La Roche Inc. · 1986
- Cyclohexane derivatives76US 4,510,069 AMerck Patent GmbH · 1985
- Polymerizable, chiral compounds and their use70US 5,780,629 ABASF SE · 1998
- Fluorine-containing chiral smectic liquid crystals65US 4,886,619 AMinnesota Mining and Manufacturing Company · 1989
- Ferroelectric liquid crystal compounds having perfluoroether terminal portions56US 5,262,082 AMinnesota Mining and Manufacturing Company · 1993