G21F 9/307
In polymeric matrix
Official title: {in polymeric matrix, e.g. resins, tars}
G21F9/307 (In polymeric matrix) appears on 70 US grants and 23 published applications in this corpus.
Search patents in G21F- Granted patents
- 70
- Published applications
- 23
- Assignees
- 56
- Inventors
- 143
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 2 |
| 2015 | 3 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 2 | 4 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 2 | 0 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods for extracting radioisotopes from radiologically contaminated waste21 Oct 2025US 12,451,264 B2
- Method and system to contain or encapsulate radioactive materials and toxic substances for transportation or containment14 Nov 2023US 11,817,229 B2
- Encapsulation composition for storage or confinement of waste which is toxic to health and/or the environment13 Jun 2023US 11,676,737 B2Polynt Composites France
- Method for radiation shielding23 Aug 2022US 11,424,045 B2Warren Environmental & Coating, LLC
- Method for dismantling a steam generator or heat exchanger, in particular a steam generator or heat exchanger of a nuclear power plant10 May 2022US 11,328,828 B2Framatome
- Methods for Extracting Radioisotopes from Radiologically Contaminated Waste12 Feb 2026US 2026/0045380 A1EnergySolutions, LLC
- Radioactive waste immobilization apparatus and immobilization method using the same8 Jan 2026US 2026/0011462 A1Korea Hydro & Nuclear Power Co., Ltd.
- Methods for Extracting Radioisotopes from Radiologically Contaminated Waste17 Jul 2025US 2025/0232889 A1EnergySolutions, LLC
- Waste Material Encapsulation Using Polymeric Materials23 May 2024US 2024/0170174 A1Battelle Memorial Institute
- Method for radiation shielding13 May 2021US 2021/0142922 A1Warren Environmental & Coating, LLC
Most cited
By later US patents
- Method and apparatus for hydraulic embedment of waste in subterranean formations85US 5,318,382 A1994
- Composition and process for the encapsulation and stabilization of radioactive, hazardous and mixed wastes66US 5,732,364 AAssociated Universities, Inc. · 1998
- Method and apparatus for hydraulic embedment of waste in subterranean formations54US 5,133,624 A1992
- Process for compacting and solidifying solid waste materials, apparatus for carrying out the process and overall system for disposal of such waste materials38US 4,772,430 AJgc Corporation · 1988
- Waste disposal method using microwaves28US 4,242,220 A1980