C09K 11/71
Also containing alkaline earth metals
Official title: also containing alkaline earth metals
C09K11/71 (Also containing alkaline earth metals) appears on 66 US grants and 67 published applications in this corpus.
Search patents in C09K- Granted patents
- 66
- Published applications
- 67
- Assignees
- 49
- Inventors
- 180
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 3 |
| 2006 | 3 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 4 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 2 | 3 |
| 2014 | 0 | 3 |
| 2015 | 3 | 3 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 5 | 4 |
| 2019 | 3 | 5 |
| 2020 | 2 | 2 |
| 2021 | 4 | 5 |
| 2022 | 2 | 8 |
| 2023 | 5 | 7 |
| 2024 | 7 | 2 |
| 2025 | 4 | 4 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Series of alkali metal borophosphates compounds, and alkali metal borophosphates nonlinear optical crystals as well as preparation method and application thereof7 Apr 2026US 12,595,411 B2Tianjin University of Technology
- Quantum dots, quantum dot-polymer composite, and electronic device including the same29 Jul 2025US 12,371,617 B2Samsung Electronics Co., Ltd.
- Films with narrow band emission phosphor materials17 Jun 2025US 12,331,208 B2Edison Innovations, LLC
- Core shell quantum dot and electronic device including the same18 Feb 2025US 12,232,347 B2Samsung Display Co., Ltd.
- Green-emitting phosphors and devices thereof4 Feb 2025US 12,215,265 B2Dolby Intellectual Property Licensing, LLC
- Nanocrystals and methods of making6 Aug 2026US 2026/0226347 A1Alliance for Energy Innovation, LLC
- Light-emitting element, display device, and method for producing light-emitting element19 Feb 2026US 2026/0049244 A1Sharp Display Technology Corporation
- Methods of improving emission output of coated energy modulation agents and compositions produced thereby5 Feb 2026US 2026/0035587 A1Immunolight, LLC
- Red-emitting phosphors having small particle size, processes for preparing and devices thereof13 Nov 2025US 2025/0346807 A1
- Phosphor compositions and devices thereof11 Sep 2025US 2025/0282993 A1
Most cited
By later US patents
- Phosphors containing oxides of alkaline-earth and group-IIIB metals and white-light sources incorporating same88US 7,077,978 B2General Electric Company · 2006
- Luminescent coating for low-pressure mercury vapour discharge lamp87US 3,937,998 AU. S. Philips Corporation · 1976
- Light sources52US 5,143,438 AThorn EMI plc · 1992
- Plant growth type fluorescent lamp46US 3,992,646 AWestinghouse Electric Corp. · 1976
- Zinc silicate phosphor and electron excited fluorescent display device using the phosphor31US 4,551,397 AKasei Optonix, Ltd. · 1985