B01D 9/0045
Washing of crystals
Official title: {Washing of crystals, e.g. in wash columns}
B01D9/0045 (Washing of crystals) appears on 102 US grants and 121 published applications in this corpus.
Search patents in B01D- Granted patents
- 102
- Published applications
- 121
- Assignees
- 97
- Inventors
- 319
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 2 | 5 |
| 2010 | 1 | 5 |
| 2011 | 3 | 0 |
| 2012 | 5 | 4 |
| 2013 | 1 | 3 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 3 |
| 2017 | 2 | 0 |
| 2018 | 2 | 7 |
| 2019 | 7 | 6 |
| 2020 | 9 | 13 |
| 2021 | 7 | 11 |
| 2022 | 9 | 14 |
| 2023 | 7 | 8 |
| 2024 | 7 | 18 |
| 2025 | 4 | 8 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for purifying compound8 Sep 2026US 12,729,176 B2Nippon Shokubai Co., Ltd.
- Cannabidiol-dominant formulations, methods of manufacturing, and uses thereof18 Aug 2026US 12,708,633 B2Tilray Brands, Inc.
- Purification device18 Aug 2026US 12,709,593 B2Nippon Shokubai Co., Ltd.
- Method for producing compound21 Apr 2026US 12,606,515 B2Nippon Shokubai Co., Ltd.
- Method for producing compound14 Apr 2026US 12,600,693 B2Nippon Shokubai Co., Ltd.
- Process for making drug crystals of desired size distribution and morphology20 Aug 2026US 2026/0241307 A1Eupraxia Pharmaceuticals Inc.
- Zeolitic adsorbent for high productivity xylene separation30 Jul 2026US 2026/0216691 A1
- Method for discharging crystal grain-containing slurry from container23 Jul 2026US 2026/0208068 A1Nippon Shokubai Co., Ltd.
- Method of preparing cannabinoids18 Jun 2026US 2026/0166448 A1Jazz Pharmaceuticals Research UK Limited
- Crystallizer devices and related systems and methods for direct air capture of co214 May 2026US 2026/0131283 A1
Most cited
By later US patents
- Hydrocyclone for washing particles in liquid suspension27US 4,960,525 AThe United States of America as represented by the Secretary of Agriculture · 1990
- Freeze concentration system and method23US 4,830,645 ANestec S. A. · 1989
- Apparatus for concentrating a feed stream18US 4,091,635 AAvco Corporation · 1978
- Multi-stage counter-current concentration system and method18US 4,459,144 AGrasso's Koniklijke Machine Fabrieken, N.V. · 1984
- Multi-stage counter-current concentrating method17US 4,316,368 AGrasso's Koniklijke Machinefabrieken, N.V. · 1982