B01D 59/34
Separation by photochemical methods
B01D59/34 (Separation by photochemical methods) appears on 252 US grants and 32 published applications in this corpus.
Search patents in B01D- Granted patents
- 252
- Published applications
- 32
- Assignees
- 89
- Inventors
- 362
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 26 | 0 |
| 1978 | 17 | 0 |
| 1979 | 19 | 0 |
| 1980 | 17 | 0 |
| 1981 | 16 | 0 |
| 1982 | 14 | 0 |
| 1983 | 11 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 9 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 9 | 0 |
| 1992 | 9 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 1 |
| 2004 | 3 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 2 | 0 |
| 2008 | 2 | 2 |
| 2009 | 0 | 4 |
| 2010 | 0 | 0 |
| 2011 | 3 | 3 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 3 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 3 |
| 2021 | 0 | 1 |
| 2022 | 2 | 3 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Isotopologue or isotope enrichment via preferential condensation of isotopologues or isotopes under non-equilibrium gas-surface collision conditions13 May 2025US 12,296,299 B2The University of Chicago
- Enrichment and separation of isotopes, isotopologues, or other chemical species, via differential embedding in a capture matrix8 Oct 2024US 12,109,535 B2The University of Chicago
- Separation of isotopes in space and time by gas-surface atomic diffraction16 Aug 2022US 11,413,579 B2The University of Chicago
- Device and method for even-odd separation and ionization of palladium isotopes8 Mar 2022US 11,266,952 B2Riken
- Isotope enrichment for improved magnetic materials28 Jul 2020US 10,722,845 B1Raytheon Company
- A high selectivity, high dissociation simple and efficient system for the laser separation of the uf6 isotopes and other hexafluorides18 Dec 2025US 2025/0381526 A1Lumenautics Limited
- Oxygen isotope concentration method and oxygen isotope concentration apparatus3 Jul 2025US 2025/0214039 A1Taiyo Nippon Sanso Corporation
- Stable isotope enrichment device and stable isotope enrichment method14 Mar 2024US 2024/0082786 A1Taiyo Nippon Sanso Corporation
- Isotopologue or isotope enrichment via preferential condensation of isotopologues or isotopes under non-equilibrium gas-surface collision conditions10 Nov 2022US 2022/0355248 A1The University of Chicago
- Systems and methods for processing materials with complex isotope vectors for use as a nuclear fuel4 Aug 2022US 2022/0244200 A1Westinghouse Electric Corp.
Most cited
By later US patents
- Heterodyne laser spectroscopy system57US 4,817,101 AThe United States of America as represented by the United States Department of Energy · 1989
- Slit nozzle and fast-acting shutoff valve56US 4,431,136 AKraftwerk Union Aktiengesellschaft · 1984
- Isotope separation by standing waves54US 4,386,274 A1983
- Particle trap49US 5,170,890 A1992
- Isotope separation process36US 3,937,956 AExxon Research & Engineering Co. · 1976