C09K 3/1436
Composite particles
Official title: {Composite particles, e.g. coated particles}
C09K3/1436 (Composite particles) appears on 733 US grants and 910 published applications in this corpus.
Search patents in C09K- Granted patents
- 733
- Published applications
- 910
- Assignees
- 278
- Inventors
- 1,687
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 13 | 0 |
| 1992 | 18 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 11 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 11 | 0 |
| 2001 | 15 | 5 |
| 2002 | 16 | 19 |
| 2003 | 29 | 30 |
| 2004 | 22 | 39 |
| 2005 | 18 | 33 |
| 2006 | 24 | 24 |
| 2007 | 17 | 35 |
| 2008 | 10 | 20 |
| 2009 | 13 | 25 |
| 2010 | 12 | 20 |
| 2011 | 16 | 14 |
| 2012 | 8 | 17 |
| 2013 | 15 | 22 |
| 2014 | 15 | 25 |
| 2015 | 23 | 74 |
| 2016 | 32 | 50 |
| 2017 | 37 | 42 |
| 2018 | 35 | 28 |
| 2019 | 37 | 64 |
| 2020 | 39 | 51 |
| 2021 | 27 | 49 |
| 2022 | 28 | 48 |
| 2023 | 27 | 53 |
| 2024 | 25 | 30 |
| 2025 | 40 | 50 |
| 2026 | 20 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Functionalized carbon particle CMP slurry dispersion6 Oct 2026US 12,753,326 B2DuPont Electronic Materials Holding, Inc.
- Methods of forming an abrasive slurry and methods for chemical-mechanical polishing29 Sep 2026US 12,746,637 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Polishing compositions and methods of use thereof7 Jul 2026US 12,674,075 B2Fujifilm Electronic Materials U.S.A., Inc.
- Polishing composition for semiconductor processing and method of polishing a substrate7 Jul 2026US 12,674,077 B2Ycchem Co., Ltd.
- Abrasive disc with vitrified agglomerate islands30 Jun 2026US 12,667,934 B2Keltech Engineering
- Modified cerium oxide polishing solution for shallow trench isolation and preparation method thereof1 Oct 2026US 2026/0297378 A1Inner Mongolia University
- Method for producing dispersion liquid containing colloidal silica particles1 Oct 2026US 2026/0297381 A1Fujimi Incorporated
- Polishing composition1 Oct 2026US 2026/0297382 A1
- Polishing compositions and methods of use thereof24 Sep 2026US 2026/0286184 A1Fujifilm Electronic Materials U.S.A., Inc.
- System and a method for cationization of abrasive particles24 Sep 2026US 2026/0286201 A1Fujimi Incorporated
Most cited
By later US patents
- Chemical mechanical polishing slurry for metal layers541US 5,527,423 ACabot Corporation · 1996
- Shelling-resistant abrasive grain, a method of making the same, and abrasive products390US 5,011,508 AMinnesota Mining and Manufacturing Company · 1991
- Nitrified bonded sol gel sintered aluminous abrasive bodies374US 4,997,461 ANorton Company · 1991
- Abrasive grain, method of making same and abrasive products369US 5,213,591 A1993
- Erodable agglomerates and abrasive products containing the same362US 4,652,275 AMinnesota Mining and Manufacturing Company · 1987