Methods for synthesizing and/or purifying molybdenum compounds and related compositions and related systems
US-2026035262-A1 · Feb 5, 2026 · US
Halides
Halides · 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 | C01G41/04 |
| Official title | Halides |
| Display label | Halides |
| Total patents | 48 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 8 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 7 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Tungsten precursors for deposition processes
US-2026001776-A1 · Jan 1, 2026 · US
Photocatalytic generation of singlet oxygen for air purification
US-12343455-B2 · Jul 1, 2025 · US
Tungsten hexafluoride manufacturing method, tungsten hexafluoride purification method, and tungsten hexafluoride
US-12304833-B2 · May 20, 2025 · US
Tungsten hexafluoride manufacturing method, tungsten hexafluoride purification method, and tungsten hexafluoride
US-12264081-B2 · Apr 1, 2025 · US
Removing impurities from precursors
US-2025090975-A1 · Mar 20, 2025 · US
Molybdenum oxychloride or tungsten oxychloride and production method thereof
US-2025051180-A1 · Feb 13, 2025 · US
Molybdenum oxychloride or tungsten oxychloride and production method thereof
US-12195351-B2 · Jan 14, 2025 · US
Method for producing tungsten hexafluoride
US-12145857-B2 · Nov 19, 2024 · US
Ultra-high purity tungsten chlorides
US-2024190719-A1 · Jun 13, 2024 · US
Oxhalide precursors
US-2024140819-A1 · May 2, 2024 · US
Tungsten precursors and related methods
US-2024123391-A1 · Apr 18, 2024 · US
Tungsten precursors and related methods
US-2024116774-A1 · Apr 11, 2024 · US
Ultra-high purity tungsten chlorides
US-11932553-B2 · Mar 19, 2024 · US
Oxyhalide precursors
US-11919780-B2 · Mar 5, 2024 · US
Preprocessing method for solid material, and solid material product filled with solid material manufactured using said solid material preprocessing method
US-11806677-B2 · Nov 7, 2023 · US
Devices and method for delivering molybdenum vapor
US-2023287564-A1 · Sep 14, 2023 · US
Tungsten pentachloride conditioning and crystalline phase manipulation
US-11577967-B2 · Feb 14, 2023 · US
Tungsten hexafluoride manufacturing method, tungsten hexafluoride purification method, and tungsten hexafluoride
US-2022348477-A1 · Nov 3, 2022 · US
High purity tungsten pentachloride and production method thereof
US-11427479-B2 · Aug 30, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01G41/04?
- CPC C01G41/04 is the Cooperative Patent Classification code for “Halides.”
- How many patents are filed under CPC C01G41/04 (Halides)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC C01G41/04 growing?
- Publication counts under this code: 7 in 2024 vs 6 in 2025 (latest complete years).