Photocatalyst complex
US-2016375432-A1 · Dec 29, 2016 · US
Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01J21/06 |
| Official title | Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof |
| Display label | Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof |
| Total patents | 393 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 42 |
| 2016 | 29 |
| 2017 | 42 |
| 2018 | 33 |
| 2019 | 46 |
| 2020 | 38 |
| 2021 | 33 |
| 2022 | 35 |
| 2023 | 36 |
| 2024 | 28 |
| 2025 | 21 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for surface-modifying metal silicide, and method and apparatus for preparing trichlorosilane using surface-modified metal silicide
US-2016332149-A1 · Nov 17, 2016 · US
Method for preparing graphene
US-2016318765-A1 · Nov 3, 2016 · US
Production method for catalyst for fischer-tropsch synthesis, and production method for hydrocarbon
US-2016296913-A1 · Oct 13, 2016 · US
Carbon nanotubes and production method thereof
US-9463981-B2 · Oct 11, 2016 · US
Scr catalyst
US-2016288094-A1 · Oct 6, 2016 · US
Method of preparing epoxidation catalysts
US-9433925-B2 · Sep 6, 2016 · US
Multi-purpose conservation apparatus
US-9392804-B2 · Jul 19, 2016 · US
Compositions and methods for promoting hemostasis and other physiological activities
US-9364513-B2 · Jun 14, 2016 · US
Hydroprocessing co-catalyst compositions and methods of introduction thereof into hydroprocessing units
US-9321037-B2 · Apr 26, 2016 · US
Visible light sensitive photocatalyst, method of producing visible light sensitive photocatalyst, and electrochemical water decomposition cell and organic material decomposition system each including visible light sensitive photocatalyst
US-9308526-B2 · Apr 12, 2016 · US
Non-metallic semiconductor quantum dot and method of carrying out chemical reaction or photoluminescence reaction by using the same
US-2016087148-A1 · Mar 24, 2016 · US
Nano-catalyst filter and production method for same
US-2016060782-A1 · Mar 3, 2016 · US
Zoned Catalyst for Treating Exhaust Gas
US-2016045868-A1 · Feb 18, 2016 · US
Process for the preparation of a catalyst using at least one rapid drying stage and at least one fluidised bed drying stage and use thereof for fischer-tropsch synthesis
US-9259713-B2 · Feb 16, 2016 · US
Titanium oxide photocatalyst having copper compounds supported thereon, and method for producing same
US-9248432-B2 · Feb 2, 2016 · US
Complex metal oxide, and method of preparing polyester using the same
US-9243105-B2 · Jan 26, 2016 · US
Pre-treatment method of plating, plating system, and recording medium
US-2016013101-A1 · Jan 14, 2016 · US
Method of preparing expoxidation catalysts
US-2015375200-A1 · Dec 31, 2015 · US
Precipitated and calcined composition based on zirconium oxide and cerium oxide
US-2015375203-A1 · Dec 31, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J21/06?
- CPC B01J21/06 is the Cooperative Patent Classification code for “Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof.”
- How many patents are filed under CPC B01J21/06 (Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof)?
- Our database includes 393 publications tagged with this CPC code.
- Is patent activity under CPC B01J21/06 growing?
- Publication counts under this code: 28 in 2024 vs 21 in 2025 (latest complete years).