C09K 19/3804
With mesogenic groups in the main chain
Official title: {with mesogenic groups in the main chain}
C09K19/3804 (With mesogenic groups in the main chain) appears on 630 US grants and 533 published applications in this corpus.
Search patents in C09K- Granted patents
- 630
- Published applications
- 533
- Assignees
- 221
- Inventors
- 1,244
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 11 | 0 |
| 1987 | 7 | 0 |
| 1988 | 19 | 0 |
| 1989 | 15 | 0 |
| 1990 | 13 | 0 |
| 1991 | 24 | 0 |
| 1992 | 20 | 0 |
| 1993 | 30 | 0 |
| 1994 | 22 | 0 |
| 1995 | 21 | 0 |
| 1996 | 12 | 0 |
| 1997 | 10 | 0 |
| 1998 | 11 | 0 |
| 1999 | 5 | 0 |
| 2000 | 10 | 0 |
| 2001 | 6 | 0 |
| 2002 | 1 | 5 |
| 2003 | 2 | 7 |
| 2004 | 7 | 17 |
| 2005 | 8 | 14 |
| 2006 | 13 | 11 |
| 2007 | 9 | 8 |
| 2008 | 5 | 7 |
| 2009 | 10 | 17 |
| 2010 | 10 | 15 |
| 2011 | 15 | 17 |
| 2012 | 7 | 36 |
| 2013 | 18 | 43 |
| 2014 | 25 | 38 |
| 2015 | 32 | 29 |
| 2016 | 20 | 37 |
| 2017 | 21 | 26 |
| 2018 | 21 | 27 |
| 2019 | 21 | 18 |
| 2020 | 20 | 25 |
| 2021 | 20 | 22 |
| 2022 | 17 | 27 |
| 2023 | 22 | 33 |
| 2024 | 22 | 27 |
| 2025 | 25 | 20 |
| 2026 | 11 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of manufacturing display device1 Sep 2026US 12,724,308 B2Japan Display Inc.
- 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
- Liquid crystal polyester resin composition, molded article, and electronic component comprising the same26 May 2026US 12,637,619 B2SE Yang Polymer Co., Ltd.
- Liquid crystal polymer film, laminated body including the liquid crystal polymer film, and method of producing liquid crystal polymer film5 May 2026US 12,617,908 B2Murata Manufacturing Co., Ltd.
- Composition, optically anisotropic layer, liquid crystal cell, liquid crystal display device, sensor, lens, switching element, isolator, and camera21 Apr 2026US 12,606,746 B2FUJIFILM Corporation
- Resin composition, film, metal-clad laminate, and circuit board8 Oct 2026US 2026/0308452 A1Kuraray Co., Ltd.
- Liquid crystal polyester, film, and metal-clad laminate20 Aug 2026US 2026/0242664 A1Kaneka Corporation
- Liquid crystal polymer composite, liquid crystal polymer composite film, and metal-clad laminate including same25 Jun 2026US 2026/0176431 A1
- Bio-Dihydroxyphenols for Use in Forming Bio-Liquid Crystalline Polymers9 Apr 2026US 2026/0098124 A1Ticona LLC
- Methods for producing liquid crystal polymer filaments26 Mar 2026US 2026/0084358 A1Kuraray Co., Ltd.
Most cited
By later US patents
- Solidified liquid crystals of cellulose with optically variable properties178US 5,629,055 APulp and Paper Research Institute of Canada · 1997
- Head-up display system where polarized light from a display impinges on a glass plate containing twisted nematic liquid crystal at the plate's Brewsters angle129US 5,510,913 ACentral Glass Company, Limited · 1996
- Liquid crystalline polymer compositions, process, and products117US 4,533,693 ASRI International · 1985
- Biopolymer-based optical element93US 6,284,418 B1Cambridge Scientific, Inc. · 2001
- Process for extruding thermotropic liquid crystalline polymers90US 4,468,364 ACelanese Corporation · 1984