B01D 15/365
Ion-exclusion
Official title: {Ion-exclusion}
B01D15/365 (Ion-exclusion) appears on 15 US grants and 16 published applications in this corpus.
Search patents in B01D- Granted patents
- 15
- Published applications
- 16
- Assignees
- 15
- Inventors
- 40
- Latest grant
- 31 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 2 |
| 2014 | 2 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 3 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Chromatographic separation of ammonium sulfate and 2-hydroxy-2-methylpropionic acid31 May 2022US 11,344,821 B2Trinseo Europe GmbH
- Method for purifying glycol used as a hydrate inhibitor23 Mar 2021US 10,953,347 B2Novasep Process
- Removing impurities from sugar solutions29 Mar 2016US 9,297,050 B1Dow Global Technologies LLC
- Recovery of inorganic salt during processing of lignocellulosic feedstocks16 Dec 2014US 8,911,979 B2Iogen Energy Corporation
- Tagatose production using simulated moving bed separation12 Aug 2014US 8,802,843 B2Orochem Technologies Inc.
- Chromatographic separation of ammonium sulfate and 2-hydroxy-2-methylpropionic acid18 Feb 2021US 2021/0046400 A1Arkema France
- Method for Purifying Glycol Used as a Hydrate Inhibitor21 Dec 2017US 2017/0361247 A1Novasep Process
- Extraction of valuable components from cane vinasse10 Nov 2016US 2016/0325232 A1
- Extraction of polycosanol from cane vinasse27 Oct 2016US 2016/0311743 A1
- Removing impurities from sugar solutions31 Mar 2016US 2016/0090641 A1Dow Chemical (China) Inverstment Company Limited
Most cited
By later US patents
- Recovery of inorganic salt during processing of lignocellulosic feedstocks52US 7,585,652 B2Iogen Energy Corporation · 2009
- Process for separating acid-sugar mixtures using ion exclusion chromatography40US 5,407,580 ATennessee Valley Authority · 1995
- Process for separating acid-sugar mixtures using ion exclusion chromatography40US 5,538,637 ATennessee Valley Authority · 1996
- Method for the separation of acid from sugars40US 6,419,828 B1Controlled Environmental Systems Corporation · 2002
- Method for the separation of acid from sugars37US 6,391,204 B1Controlled Environmental Systems Corporation · 2002