Plasma treatment method, method of producing plasma-treated hexagonal boron nitride powder, and plasma treatment device
US-2024182301-A1 · Jun 6, 2024 · US
the particle size being expressed by crystallite size or primary particle size
the particle size being expressed by crystallite size or primary particle size · 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 | C04B2235/549 |
| Official title | the particle size being expressed by crystallite size or primary particle size |
| Display label | the particle size being expressed by crystallite size or primary particle size |
| Total patents | 181 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 16 |
| 2017 | 22 |
| 2018 | 12 |
| 2019 | 13 |
| 2020 | 21 |
| 2021 | 17 |
| 2022 | 23 |
| 2023 | 14 |
| 2024 | 13 |
| 2025 | 18 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Stabilized zirconia sintered body and zirconia powder
US-2024101482-A1 · Mar 28, 2024 · US
Negative thermal expansion material and composite material comprising same
US-10280086-B2 · May 7, 2019 · US
Method for producing a silicon carbide shaped body
US-2019002352-A1 · Jan 3, 2019 · US
Method for producing zirconium tungsten phosphate
US-10167197-B2 · Jan 1, 2019 · US
Color printing and three-dimensional (3d) printing
US-2018311892-A1 · Nov 1, 2018 · US
Ceria-zirconia composite oxide, method for producing the same, and catalyst for purifying exhaust gas using the ceria-zirconia composite oxide
US-10112180-B2 · Oct 30, 2018 · US
Phosphor and method for manufacturing the same
US-10100249-B2 · Oct 16, 2018 · US
Method for producing zirconium tungsten phosphate
US-2018265358-A1 · Sep 20, 2018 · US
Negative thermal expansion material and composite material comprising same
US-2018251376-A1 · Sep 6, 2018 · US
Aerogels, calcined and crystalline articles and methods of making the same
US-10052266-B2 · Aug 21, 2018 · US
Sintered Body Containing Lithium Titanate and Lithium Lanthanum Titanate, Method for Producing Same, and Lithium Battery
US-2018219224-A1 · Aug 2, 2018 · US
Aerogels, calcined and crystalline articles and methods of making the same
US-2018168937-A1 · Jun 21, 2018 · US
Heater Tube for Molten Metal Immersion
US-2018168004-A1 · Jun 14, 2018 · US
Zirconia-based particles doped with a lanthanide element
US-9950932-B2 · Apr 24, 2018 · US
Aerogels, calcined and crystalline articles and methods of making the same
US-9925126-B2 · Mar 27, 2018 · US
ZrO2-Al2O3-based ceramic sintered compact and production method thereof
US-9902654-B2 · Feb 27, 2018 · US
Polycrystalline cubic boron nitride (pcbn) comprising microcrystalline cubic boron nitride (cbn) and method of making
US-2017369314-A1 · Dec 28, 2017 · US
ZrO2-Al2O3-BASED CERAMIC SINTERED COMPACT AND PRODUCTION METHOD THEREOF
US-2017362129-A1 · Dec 21, 2017 · US
Methods of making hydrous kaolin clay and products made thereof
US-2017298229-A1 · Oct 19, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B2235/549?
- CPC C04B2235/549 is the Cooperative Patent Classification code for “the particle size being expressed by crystallite size or primary particle size.”
- How many patents are filed under CPC C04B2235/549 (the particle size being expressed by crystallite size or primary particle size)?
- Our database includes 181 publications tagged with this CPC code.
- Is patent activity under CPC C04B2235/549 growing?
- Publication counts under this code: 13 in 2024 vs 18 in 2025 (latest complete years).