C04B 2235/549
The particle size being expressed by crystallite size or primary particle size
Official title: the particle size being expressed by crystallite size or primary particle size
C04B2235/549 (The particle size being expressed by crystallite size or primary particle size) appears on 211 US grants and 294 published applications in this corpus.
Search patents in C04B- Granted patents
- 211
- Published applications
- 294
- Assignees
- 174
- Inventors
- 650
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 2 |
| 2002 | 1 | 7 |
| 2003 | 2 | 14 |
| 2004 | 8 | 23 |
| 2005 | 7 | 17 |
| 2006 | 13 | 18 |
| 2007 | 16 | 14 |
| 2008 | 12 | 12 |
| 2009 | 7 | 14 |
| 2010 | 11 | 20 |
| 2011 | 9 | 9 |
| 2012 | 10 | 9 |
| 2013 | 7 | 5 |
| 2014 | 9 | 10 |
| 2015 | 2 | 3 |
| 2016 | 10 | 6 |
| 2017 | 9 | 12 |
| 2018 | 6 | 6 |
| 2019 | 5 | 9 |
| 2020 | 7 | 12 |
| 2021 | 4 | 18 |
| 2022 | 11 | 14 |
| 2023 | 6 | 8 |
| 2024 | 6 | 16 |
| 2025 | 10 | 8 |
| 2026 | 11 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing a SiC ceramic part25 Aug 2026US 12,715,818 B2Jiageng (Jiangsu) Special Materials Co., Ltd.
- Zirconia pre-sintered body18 Aug 2026US 12,709,578 B2Kuraray Noritake Dental Inc.
- Composite ceramics with low dielectric losses16 Jun 2026US 12,655,065 B2Imam Abdulrahman Bin Faisal University
- CaO—ZrO2 composition, method for producing CaO—ZrO2 composition, and CaO—ZrO2-containing refractory material and casting nozzle5 May 2026US 12,617,728 B2Krosakiharima Corporation
- Preparation method of sub-micron powder of high-entropy nitride via nitride thermal reduction with soft mechano-chemical assistance7 Apr 2026US 12,595,213 B2North Minzu University
- Dual phased electromagnetic composite ceramic10 Sep 2026US 2026/0265147 A1Imam Abdulrahman Bin Faisal University
- CaO-ZrO2 Composition, Method for Producing CaO-ZrO2 Composition, and CaO-ZrO2-Containing Refractory Material and Casting Nozzle13 Aug 2026US 2026/0234064 A1Krosakiharima Corporation
- Titanate compound particle powder and dispersion, and method for producing same23 Jul 2026US 2026/0209522 A1Toda Kogyo Corporation
- Spray powder for high porosity coatings16 Jul 2026US 2026/0201173 A1Treibacher Industrie AG
- Mixed metal oxide nanocomposite and process of making the nanocomposite14 May 2026US 2026/0132086 A1Imam Mohammad Ibn Saud Islamic University
Most cited
By later US patents
- Coated silicon carbide abrasive grain306US 5,009,675 ALonza Ltd. · 1991
- Nanocrystalline apatites and composites, prostheses incorporating them, and method for their production242US 6,013,591 AMassachusetts Institute of Technology · 2000
- Non-spherical nanopowder derived nanocomposites126US 6,916,872 B2NanoProducts Corporation · 2005
- Dental restorations using nanocrystalline materials and methods of manufacture123US 7,655,586 B1Pentron Ceramics, Inc. · 2010
- Composite nanoparticle materials and method of making the same118US 7,052,777 B2Nanophase Technologies Corporation · 2006