C09K 2219/17
Used as a medium, in which detection of chemical compounds takes place
Official title: used as a medium, in which detection of chemical compounds takes place
C09K2219/17 (Used as a medium, in which detection of chemical compounds takes place) appears on 12 US grants and 13 published applications in this corpus.
Search patents in C09K- Granted patents
- 12
- Published applications
- 13
- Assignees
- 7
- Inventors
- 30
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 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 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 2 |
| 2025 | 3 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid-crystalline medium4 Aug 2026US 12,698,444 B2Merck Patent GmbH
- Device for the regulation of light transmission5 May 2026US 12,619,110 B2Merck Patent GmbH
- Liquid crystal element and emulsion composition21 Oct 2025US 12,448,570 B2Mitsubishi Chemical Corporation
- Heteroaromatic isothiocyanates15 Jul 2025US 12,359,128 B2Merck Patent GmbH
- Systems, compositions, and methods for evaluating biomechanical properties of cells17 Jun 2025US 12,332,254 B2Cornell University
- Liquid-crystalline medium1 May 2025US 2025/0136868 A1Merck Patent GmbH
- Device for the regulation of light transmission25 Apr 2024US 2024/0134218 A1Merck Patent GmbH
- Heteroaromatic isothiocyanates18 Apr 2024US 2024/0124779 A1Merck Patent GmbH
- Liquid Crystal Element and Emulsion Composition14 Dec 2023US 2023/0399567 A1Mitsubishi Chemical Corporation
- Systems, compositions, and methods for evaluating biomechanical properties of cells30 Jun 2022US 2022/0206020 A1Cornell University
Most cited
By later US patents
- Analytic separation arrangement and method for the analysis of chemical samples16US 5,290,520 ACiba-Geigy Corporation · 1994
- Method of detection of volatile organic compounds using liquid crystals that form a blue phase; and device for stabilization and thickness control of liquid crystal films11US 9,863,923 B2Wisconsin Alumni Research Foundation · 2018
- Functional surfaces for liquid crystal-based detection of chlorine gas1US 10,928,306 B2Wisconsin Alumni Research Foundation · 2021