C09K 19/3895
Containing two or more mesogenic groups per monomer unit
Official title: {containing two or more mesogenic groups per monomer unit, e.g. polyitaconates, polymaleates}
C09K19/3895 (Containing two or more mesogenic groups per monomer unit) appears on 12 US grants and 7 published applications in this corpus.
Search patents in C09K- Granted patents
- 12
- Published applications
- 7
- Assignees
- 9
- Inventors
- 37
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 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 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 1 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Mesogen compounds9 Dec 2025US 12,492,343 B2Transitions Optical, Inc.
- Compound, composition for anisotropic dye films including the compound, anisotropic dye film, and optical element30 Jul 2024US 12,049,583 B2Mitsubishi Chemical Corporation
- Dielectric copolymer materials4 Jun 2024US 11,999,893 B2Merck Patent GmbH
- Phase difference film, optical film, and display device30 Jun 2020US 10,698,144 B2FUJIFILM Corporation
- Polymerizable compound and optically anisotropic body12 May 2020US 10,647,662 B2DIC Corporation
- Photoaligning materials5 Jun 2025US 2025/0180952 A1Rolic Technologies AG
- Mesogen Compounds21 Sep 2023US 2023/0295514 A1Transitions Optical, Inc.
- Compound, composition for anisotropic dye films including the compound, anisotropic dye film, and optical element18 May 2023US 2023/0151275 A1Mitsubishi Chemical Corporation
- Dielectric copolymer materials18 Nov 2021US 2021/0355383 A1Merck Patent GmbH
- Phase difference film, optical film, and display device3 Oct 2019US 2019/0302334 A1FUJIFILM Corporation
Most cited
By later US patents
- Liquid crystal polymers12US 6,099,752 AThe Secretary of State for Defense in Her Brittanic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 2000
- Liquid crystal polymers8US 6,030,668 AThe Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 2000
- Liquid crystal polymers7US 6,180,024 B2The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 2001
- Liquid crystal polymers5US 5,968,411 AThe Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 1999
- Polymerizable compound and optically anisotropic body1US 10,647,662 B2DIC Corporation · 2020