C09K 2019/328
Containing a triphenylene ring system
Official title: {containing a triphenylene ring system}
C09K2019/328 (Containing a triphenylene ring system) appears on 74 US grants and 59 published applications in this corpus.
Search patents in C09K- Granted patents
- 74
- Published applications
- 59
- Assignees
- 39
- Inventors
- 211
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 3 |
| 2003 | 1 | 1 |
| 2004 | 4 | 6 |
| 2005 | 3 | 4 |
| 2006 | 2 | 5 |
| 2007 | 4 | 3 |
| 2008 | 3 | 6 |
| 2009 | 0 | 4 |
| 2010 | 3 | 1 |
| 2011 | 5 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 3 |
| 2014 | 1 | 0 |
| 2015 | 2 | 3 |
| 2016 | 2 | 3 |
| 2017 | 1 | 3 |
| 2018 | 1 | 4 |
| 2019 | 1 | 2 |
| 2020 | 3 | 0 |
| 2021 | 2 | 4 |
| 2022 | 5 | 0 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Liquid crystal composition comprising liquid crystal molecules and alignment promoter61US 6,338,808 B12002
- Optical compensatory sheet and liquid crystal display40US 5,518,783 AFuji Photo Film Co., Ltd. · 1996
- Organic polymer and preparation and use thereof35US 5,597,889 AMatsushita Electric Industrial Co., Ltd. · 1997
- Organic polymer and preparation and use thereof35US 5,654,367 AMatsushita Electric Industrial Co., Ltd. · 1997
- Cell construction for color liquid crystal display devices32US 4,593,977 ASharp Kabushiki Kaisha · 1986