C09K 19/36
Steroidal liquid crystal compounds
C09K19/36 (Steroidal liquid crystal compounds) appears on 112 US grants and 93 published applications in this corpus.
Search patents in C09K- Granted patents
- 112
- Published applications
- 93
- Assignees
- 92
- Inventors
- 307
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 5 | 2 |
| 2003 | 3 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 0 | 2 |
| 2010 | 2 | 8 |
| 2011 | 4 | 3 |
| 2012 | 3 | 3 |
| 2013 | 4 | 2 |
| 2014 | 1 | 6 |
| 2015 | 5 | 10 |
| 2016 | 4 | 6 |
| 2017 | 5 | 6 |
| 2018 | 8 | 11 |
| 2019 | 5 | 4 |
| 2020 | 3 | 3 |
| 2021 | 2 | 2 |
| 2022 | 3 | 7 |
| 2023 | 4 | 4 |
| 2024 | 2 | 3 |
| 2025 | 4 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Devices comprising a liquid crystal layer and uses thereof16 Jun 2026US 12,655,352 B2The Regents of the University of California
- Cholesteric liquid crystal film and manufacturing method thereof12 May 2026US 12,624,292 B2FUJIFILM Corporation
- Cholesteric liquid crystal film25 Nov 2025US 12,480,050 B2FUJIFILM Corporation
- One-way circularly polarized light generated by propagation through Ch-GLC films doped with light-absorbing dyes4 Nov 2025US 12,461,297 B2University of Rochester
- Optical element, light guide element, and image display device15 Jul 2025US 12,360,375 B2FUJIFILM Corporation
- Color Semi-Transparent Partially Erasable Electronic Writing Film with Code Points and Use Thereof13 Aug 2026US 2026/0235916 A1
- Optical element, light guide element, and ar display device2 Jul 2026US 2026/0186331 A1Sharp Display Technology Corporation
- Liquid crystal scaffolds and use thereof for organoid, spheroid, and 3d cellaggregate manufacturing9 Oct 2025US 2025/0313808 A1The Regents of the University of California
- Liquid crystal optical element and display device13 Feb 2025US 2025/0052937 A1Japan Display Inc.
- Method of making holograms using liquid crystal masters18 Jul 2024US 2024/0241477 A1
Most cited
By later US patents
- Polymeric liquid crystals121US 4,637,896 AArmstrong World Industries, Inc. · 1987
- Cholesteric liquid crystal formulations and time/temperature monitoring means101US 4,859,360 ABiosynergy, Inc. · 1989
- Cholesteric liquid crystal composition, color-forming liquid crystal composite product, method for protecting liquid crystal and color-forming liquid crystal picture laminated product92US 5,508,068 AShinko Electric Works Co., Ltd. · 1996
- Temperature indicating compositions and devices58US 4,070,912 A1978
- Cholesteric compositions46US 4,301,023 AAmerican Thermometer Co., Inc. · 1981