Moisture-resistant phosphor compositions and associate methods
US-2016376499-A1 · Dec 29, 2016 · US
Silicates
Silicates · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C09K11/617 |
| Official title | {Silicates} |
| Display label | Silicates |
| Total patents | 407 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 37 |
| 2016 | 34 |
| 2017 | 53 |
| 2018 | 51 |
| 2019 | 52 |
| 2020 | 40 |
| 2021 | 30 |
| 2022 | 24 |
| 2023 | 35 |
| 2024 | 25 |
| 2025 | 18 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Light emitting devices having closely-spaced broad-spectrum and narrow-spectrum luminescent materials and related methods
US-2016372638-A1 · Dec 22, 2016 · US
Process for preparing red-emitting phosphors
US-9512356-B2 · Dec 6, 2016 · US
Method for producing and method for processing complex fluoride phosphor
US-2016347998-A1 · Dec 1, 2016 · US
Phosphor, manufacturing method thereof, and light-emitting device using the phosphor
US-2016340577-A1 · Nov 24, 2016 · US
Mn-activated hexafluorosilicates for led applications
US-2016329471-A1 · Nov 10, 2016 · US
Method of manufacturing light emitting device
US-2016322542-A1 · Nov 3, 2016 · US
Red-emitting phosphors and associated devices
US-2016289553-A1 · Oct 6, 2016 · US
Color stable red-emitting phosphors
US-2016244663-A1 · Aug 25, 2016 · US
Mn-activated hexafluorosilicates for LED applications
US-9422471-B2 · Aug 23, 2016 · US
Light emitting device and method of manufacturing thereof
US-9419187-B2 · Aug 16, 2016 · US
Light emitting device
US-2016233393-A1 · Aug 11, 2016 · US
Light emitting device and resin composition
US-2016233396-A1 · Aug 11, 2016 · US
Enhanced color-preference light sources
US-2016223146-A1 · Aug 4, 2016 · US
Processes for preparing color stable manganese-doped phosphors
US-9399732-B2 · Jul 26, 2016 · US
Color stable red-emitting phosphors
US-9385282-B2 · Jul 5, 2016 · US
Color stable red-emitting phosphors
US-9376615-B2 · Jun 28, 2016 · US
Color stable red-emitting phosphors
US-9371481-B2 · Jun 21, 2016 · US
Phosphor compositions and lighting apparatus thereof
US-2016168457-A1 · Jun 16, 2016 · US
Red phosphor
US-2016122632-A1 · May 5, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K11/617?
- CPC C09K11/617 is the Cooperative Patent Classification code for “Silicates.”
- How many patents are filed under CPC C09K11/617 (Silicates)?
- Our database includes 407 publications tagged with this CPC code.
- Is patent activity under CPC C09K11/617 growing?
- Publication counts under this code: 25 in 2024 vs 18 in 2025 (latest complete years).