C09K 2019/528
Surfactants
Official title: {Surfactants}
C09K2019/528 (Surfactants) appears on 98 US grants and 124 published applications in this corpus.
Search patents in C09K- Granted patents
- 98
- Published applications
- 124
- Assignees
- 67
- Inventors
- 295
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 6 |
| 2003 | 2 | 7 |
| 2004 | 5 | 2 |
| 2005 | 3 | 5 |
| 2006 | 3 | 1 |
| 2007 | 2 | 7 |
| 2008 | 3 | 3 |
| 2009 | 2 | 1 |
| 2010 | 3 | 5 |
| 2011 | 3 | 2 |
| 2012 | 2 | 2 |
| 2013 | 2 | 6 |
| 2014 | 3 | 4 |
| 2015 | 3 | 2 |
| 2016 | 6 | 4 |
| 2017 | 2 | 3 |
| 2018 | 3 | 5 |
| 2019 | 2 | 2 |
| 2020 | 3 | 8 |
| 2021 | 1 | 9 |
| 2022 | 4 | 12 |
| 2023 | 7 | 13 |
| 2024 | 7 | 6 |
| 2025 | 5 | 3 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymerizable liquid crystal material and polymerized liquid crystal film8 Sep 2026US 12,729,341 B2Merck Patent GmbH
- Polymerizable liquid crystal material and polymerized liquid crystal film2 Jun 2026US 12,644,050 B2Merck Patent GmbH
- Binder composition, compound, binder layer, optical laminate, optical laminate manufacturing method, and image display device28 Apr 2026US 12,615,893 B2FUJIFILM Corporation
- Compound, composition, cured product, optically anisotropic body, optical element, and light guide element17 Mar 2026US 12,577,469 B2FUJIFILM Corporation
- Liquid crystal element and emulsion composition3 Feb 2026US 12,540,279 B2Mitsubishi Chemical Corporation
- Method for producing cholesteric liquid crystal layer, cholesteric liquid crystal layer, liquid crystal composition, cured product, optically anisotropic body, and reflective layer1 Oct 2026US 2026/0299363 A1FUJIFILM Corporation
- Cured film, optical film, and image display device16 Jul 2026US 2026/0202596 A1FUJIFILM Corporation
- Liquid crystal composition, light absorption anisotropic film, laminate, image display device, and polymer2 Jul 2026US 2026/0184994 A1FUJIFILM Corporation
- Composition, optically anisotropic layer, cured film, and diffraction element30 Apr 2026US 2026/0117126 A1FUJIFILM Corporation
- Polymerizable Liquid Crystal Material and Polymerized Liquid Crystal Film12 Mar 2026US 2026/0071126 A1Merck Patent GmbH
Most cited
By later US patents
- Tailoring material composition for optimization of application-specific switchable holograms96US 7,018,563 B1Science Applications International Corporation · 2006
- Tailoring material composition for optimization of application-specific switchable holograms92US 7,175,780 B1Science Applications International Corporation · 2007
- Tailoring material composition for optimization of application-specific switchable holograms86US 7,413,679 B1Science Applications International Corporation · 2008
- Particles, method of preparing said particles and uses thereof74US 5,531,925 AGS Biochem AB · 1996
- Liquid crystal detergent composition67US 5,035,826 AColgate-Palmolive Company · 1991