G21F 9/165
Cement or cement-like matrix
Official title: {Cement or cement-like matrix (compositional aspects C04B)}
G21F9/165 (Cement or cement-like matrix) appears on 67 US grants and 42 published applications in this corpus.
Search patents in G21F- Granted patents
- 67
- Published applications
- 42
- Assignees
- 55
- Inventors
- 219
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 5 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 4 | 2 |
| 2015 | 0 | 0 |
| 2016 | 2 | 3 |
| 2017 | 0 | 3 |
| 2018 | 5 | 3 |
| 2019 | 0 | 2 |
| 2020 | 2 | 2 |
| 2021 | 1 | 2 |
| 2022 | 3 | 4 |
| 2023 | 1 | 2 |
| 2024 | 2 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for solidifying radioactive waste comprising boron, and solid radioactive waste formed thereby21 Apr 2026US 12,609,211 B2Postech Research and Business Development Foundation
- Systems and methods for low level waste disposal13 May 2025US 12,300,400 B2
- Integrated rapid treatment system for nuclear medical radioactive wastewater and application method thereof24 Dec 2024US 12,176,119 B1Southwest University of Science and Technology
- Method for solidifying radioactive waste12 Nov 2024US 12,142,388 B2Kepco Nuclear Fuel Co., Ltd.
- Method for reducing radiologically-contaminated waste16 May 2023US 11,651,867 B2Westinghouse Electric Corp.
- Liquid radioactive waste input system25 Jun 2026US 2026/0179801 A1Korea Hydro & Nuclear Power Co., Ltd.
- Magnesia cement for the solidification of aqueous waste2 Apr 2026US 2026/0094735 A1Battelle Savannah River Alliance, LLC
- Radioactive liquid waste removal system19 Feb 2026US 2026/0051417 A1Korea Hydro & Nuclear Power Co., Ltd.
- Method of treating borate waste liquid13 Mar 2025US 2025/0087379 A1Eion International, Ltd.
- Method for solidifying radioactive waste comprising boron, and solid radioactive waste formed thereby23 May 2024US 2024/0170172 A1Postech Research and Business Development Foundation
Most cited
By later US patents
- Process for treatment of waste39US 4,404,105 ASociete Internationale de Publicite et d'Agences Commerciales · 1983
- Radwaste disposal by incorporation in matrix38US 3,988,258 AUnited Nuclear Industries, Inc. · 1976
- Storing hazardous material in a subterranean formation36US 10,002,683 B2Deep Isolation, Inc. · 2018
- Process for solidifying and eliminating radioactive borate containing liquids26US 4,122,028 ANukem Nuklear-Chemie und Metallurgie GmbH · 1978
- Method for solidifying aqueous radioactive wastes for non-contaminating storage24US 4,297,304 AKernforschungszentrum Karlsruhe GmbH · 1981