C13B 20/144
Using only cationic ion-exchange material
Official title: {using only cationic ion-exchange material (C13B20/148 takes precedence)}
C13B20/144 (Using only cationic ion-exchange material) appears on 35 US grants and 19 published applications in this corpus.
Search patents in C13B- Granted patents
- 35
- Published applications
- 19
- Assignees
- 26
- Inventors
- 70
- Latest grant
- 20 Feb 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 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 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 5 |
| 2003 | 0 | 2 |
| 2004 | 3 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for the recovery of betaine from molasses20 Feb 2018US 9,896,410 B2Tiense Suikerraffinaderij N.V.
- Process for separation of Ca- or Mg-sulfite spent liquor to yield crystalline xylose18 Aug 2015US 9,109,265 B2Dupont Nutrition Biosciences Aps
- Method for separating betaine21 Oct 2014US 8,864,995 B2Dupont Nutrition Biosciences Aps
- Process of removing calcium and obtaining sulfate salts from an aqueous sugar solution25 Sep 2012US 8,273,181 B2Iogen Energy Corporation
- Separation of sugars, sugar alcohols, carbohydrates and mixtures thereof22 Apr 2008US 7,361,273 B2SaniscoSweetners Oy
- Process for the recovery of betaine from molasses2 Oct 2014US 2014/0295505 A1Tiense Suikerraffinsderij N.V.
- Process for separation of ca- or mg-sulfite spent liquor to yield crystalline xylose14 Jul 2011US 2011/0172411 A1Danisco A/S
- Method for the purification of organic acids16 Dec 2010US 2010/0317891 A1Applexion
- Process of removing calcium and obtaining sulfate salts from an aqueous sugar solution5 Mar 2009US 2009/0056707 A1Iogen Energy Corporation
- Selective Withdrawal of Reducing Sugars During Blanching29 Nov 2007US 2007/0275153 A1
Most cited
By later US patents
- Strong acid hydrolysis of cellulosic and hemicellulosic materials76US 5,597,714 AArkenol, Inc. · 1997
- Method of producing sugars using strong acid hydrolysis72US 5,726,046 AArkenol, Inc. · 1998
- Method of separating acids and sugars using ion resin separation72US 5,820,687 AArkenol, Inc. · 1998
- Method of producing sugars using strong acid hydrolysis of cellulosic and hemicellulosic materials55US 5,562,777 AArkenol, Inc. · 1996
- Method of separating acids and sugars resulting from strong acid hydrolysis54US 5,580,389 AArkenol, Inc. · 1996