C09K 2019/0448
The end chain group being a polymerizable end group
Official title: {the end chain group being a polymerizable end group, e.g. -Sp-P or acrylate}
C09K2019/0448 (The end chain group being a polymerizable end group) appears on 1,340 US grants and 1,697 published applications in this corpus.
Search patents in C09K- Granted patents
- 1,340
- Published applications
- 1,697
- Assignees
- 254
- Inventors
- 2,056
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 16 | 0 |
| 1999 | 8 | 0 |
| 2000 | 14 | 0 |
| 2001 | 18 | 2 |
| 2002 | 16 | 18 |
| 2003 | 17 | 20 |
| 2004 | 19 | 17 |
| 2005 | 9 | 21 |
| 2006 | 18 | 34 |
| 2007 | 11 | 31 |
| 2008 | 18 | 34 |
| 2009 | 32 | 40 |
| 2010 | 35 | 65 |
| 2011 | 40 | 65 |
| 2012 | 39 | 58 |
| 2013 | 64 | 68 |
| 2014 | 41 | 99 |
| 2015 | 85 | 134 |
| 2016 | 81 | 131 |
| 2017 | 98 | 106 |
| 2018 | 77 | 129 |
| 2019 | 84 | 125 |
| 2020 | 88 | 120 |
| 2021 | 73 | 91 |
| 2022 | 85 | 88 |
| 2023 | 78 | 87 |
| 2024 | 65 | 32 |
| 2025 | 50 | 39 |
| 2026 | 35 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid crystal compounds29 Sep 2026US 12,747,392 B2Rolic Technologies AG
- Liquid-crystal medium15 Sep 2026US 12,735,641 B2Merck Patent GmbH
- Polymerizable liquid crystal material and polymerized liquid crystal film8 Sep 2026US 12,729,341 B2Merck Patent GmbH
- Liquid crystal elastomer compositions and methods of making the same18 Aug 2026US 12,709,711 B2The Regents of the University of Colorado, a body corporate
- Polymerisable liquid crystal material and polymerised liquid crystal film21 Jul 2026US 12,686,820 B2Merck Patent GmbH
- Polymerizable liquid crystal composition8 Oct 2026US 2026/0308453 A1Rolic Technologies AG
- Chiral reactive mesogen mixture24 Sep 2026US 2026/0286221 A1Merck Patent GmbH
- Innovative photomobile polymer, method for preparing said photomobile polymer without rubbing, and handling device for a photovoltaic panel24 Sep 2026US 2026/0293363 A1Consiglio Nazionale Delle Ricerche
- Liquid crystal composition and liquid crystal display device thereof17 Sep 2026US 2026/0275194 A1Jiangsu Hecheng Display Technology Co., Ltd.
- Light control sheet and vehicle window27 Aug 2026US 2026/0250576 A1Toppan Holdings Inc.
Most cited
By later US patents
- Process of preparing compositions having multiple oriented mesogens149US 5,073,294 AHercules Incorporated · 1991
- Polymeric liquid crystals121US 4,637,896 AArmstrong World Industries, Inc. · 1987
- Chiral dopants104US 6,217,792 B1Merck Patent GmbH · 2001
- Liquid-crystalline polymer phase having a cholesteric structure, processes for its preparation and its use102US 4,293,435 ABASF SE · 1981
- Polymerizable liquid-crystalline compounds85US 5,833,880 ABASF SE · 1998