C09K 19/066
Containing one heterocyclic ring having oxygen as heteroatom
Official title: {containing one heterocyclic ring having oxygen as heteroatom}
C09K19/066 (Containing one heterocyclic ring having oxygen as heteroatom) appears on 15 US grants and 23 published applications in this corpus.
Search patents in C09K- Granted patents
- 15
- Published applications
- 23
- Assignees
- 8
- Inventors
- 73
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 3 |
| 2014 | 0 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 5 |
| 2019 | 3 | 3 |
| 2020 | 1 | 2 |
| 2021 | 3 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 6 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Reaction products of lyotropic liquid crystal salt complexes7US 5,443,753 A1995
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- Liquid-crystalline medium and liquid-crystal display comprising the same3US 10,883,047 B2Merck Patent GmbH · 2021
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- Liquid crystalline media having homeotropic alignment2US 10,294,426 B2Merck Patent GmbH · 2019