B01D 15/1867
With intermediate treatments or steps performed between columns
Official title: {with intermediate treatments or steps performed between columns}
B01D15/1867 (With intermediate treatments or steps performed between columns) appears on 9 US grants and 23 published applications in this corpus.
Search patents in B01D- Granted patents
- 9
- Published applications
- 23
- Assignees
- 15
- Inventors
- 62
- Latest grant
- 5 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 1 |
| 2011 | 1 | 3 |
| 2012 | 0 | 3 |
| 2013 | 2 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 4 |
By publication year. Applications have been published since 2001.
Recent patents
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- Method for separating eight components in Chinese traditional medicine composition31 Jan 2023US 11,564,966 B2Shijiazhuang Yiling Pharmaceutical Co., Ltd.
- Gradient-elution multi-column separation method17 Jun 2014US 8,752,417 B2Novasep
- Method and device for chromatographic purification30 Jul 2013US 8,496,836 B2Eidgenossische Technische Hochschule Zurich
- Process and plant for producing sugar products from grapes9 Apr 2013US 8,414,706 B2Cantine Foraci S.R.L.
- Production and purification of lutetium-177 using electromagnetic separation and chromatography30 Oct 2025US 2025/0336560 A1Nusano, Inc.
- Isotope separation system with velocity filter30 Oct 2025US 2025/0336561 A1Nusano, Inc.
- Ion source with backward electron beam ionization30 Oct 2025US 2025/0336562 A1Nusano, Inc.
- Protein Purification Methods and Systems22 May 2025US 2025/0163102 A1Genentech, Inc.
- Optimizing operating binding capacity for a multiple column chromatography process14 Mar 2024US 2024/0085388 A1Sartorius Stedim Chromatography Systems Ltd.
Most cited
By later US patents
- Process for the purification of antibodies65US 7,750,129 B2GE Healthcare Bio-Sciences AB · 2010
- Isolation of human interferon by immunosorbent and high performance liquid chromatography33US 4,485,017 ACetus Corporation · 1984
- Chromatography method28US 7,901,581 B2GE Healthcare Bio-Sciences AB · 2011
- Gradient-elution multi-column separation method6US 8,752,417 B2Novasep · 2014
- Method and device for chromatographic purification2US 7,837,881 B2Eidgenossische Technische Hochschule Zurich · 2010