C13B 20/146
Using only anionic ion-exchange material
Official title: {using only anionic ion-exchange material (C13B20/148 takes precedence)}
C13B20/146 (Using only anionic ion-exchange material) appears on 16 US grants and 10 published applications in this corpus.
Search patents in C13B- Granted patents
- 16
- Published applications
- 10
- Assignees
- 15
- Inventors
- 44
- Latest grant
- 17 Apr 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 2 | 3 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 2 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for recovering an acid from acid/sugar solutions17 Apr 2018US 9,945,000 B2FPInnovations
- Separation and recovery of xylose using weakly basic anion exchange resins3 Oct 2017US 9,777,342 B2Dupont Nutrition Biosciences Aps
- Separation method25 May 2010US 7,722,721 B2Danisco Sweeteners Oy
- Production of invert syrup from sugarcane juice using immobilized invertase14 Oct 2008US 7,435,564 B2Instituto Technologico y de Estudios Superiores de Monterrey
- Separation of sugars, sugar alcohols, carbohydrates and mixtures thereof22 Apr 2008US 7,361,273 B2SaniscoSweetners Oy
- Method for Bleaching Sugar With Effluent Recycling31 Mar 2022US 2022/0098684 A1Novasep Process Solutions
- Regeneration of weak base anion exchange resins14 Sep 2017US 2017/0259256 A1The Purolite Company
- Method for recovering an acid from acid/sugar solutions27 Oct 2016US 2016/0312317 A1FPInnovations
- Separation and recovery of xylose using weakly basic anion exchange resins3 Sep 2015US 2015/0247211 A1Dupont Nutrition Biosciences Aps
- Separation method5 Jul 2007US 2007/0155677 A1Danisco Sweeteners Oy
Most cited
By later US patents
- Process for decolorizing aqueous sugar solutions via adsorbent resins, and desorption of color bodies from the adsorbent resins32US 4,950,332 AThe Dow Chemical Company · 1990
- Separation of sugars, sugar alcohols, carbohydrates and mixtures thereof29US 7,361,273 B2SaniscoSweetners Oy · 2008
- Process for decolorizing aqueous sugar solution16US 4,871,397 AThe Dow Chemical Company · 1989
- Sugar decolorizing quaternary ammonium acrylamide resins14US 4,082,701 ARohm and Haas Company · 1978
- Sugar decolorizing quaternary ammonium acrylamide resins7US 4,082,564 ARohm and Haas Company · 1978