C13K 13/005
Lactulose
Official title: {Lactulose}
C13K13/005 (Lactulose) appears on 19 US grants and 4 published applications in this corpus.
Search patents in C13K- Granted patents
- 19
- Published applications
- 4
- Assignees
- 12
- Inventors
- 32
- Latest grant
- 19 Aug 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Continuous process for the preparation of crystalline lactulose19 Aug 2014US 8,808,458 B2Fresenius Kabi Austria GmbH
- Method of drying a lactulose solution12 Apr 2005US 6,877,249 B1Relax Limited
- Chromatographic separation process and chromatographic separator25 Jun 2002US 6,409,922 B1Organo Corporation
- Method of producing oligosaccharide syrups, a system for producing the same and oligosaccharide syrups11 Dec 2001US 6,329,182 B1Novozymes A/S
- Process for the preparation of a lactulose syrup by lactose isomerization10 Apr 2001US 6,214,124 B1Inalco S.p.A.
- Method of generating a saccharide containing a galactose and a fructose moiety employing enzyme with transgalactosylating activity24 Sep 2020US 2020/0296980 A1Dupont Nutrition Biosciences Aps
- Method of generating a saccharide containing a galactose and a fructose moiety employing enzyme with transgalactosylating activity30 Nov 2017US 2017/0339970 A1Dupont Nutrition Biosciences Aps
- Continuous process for the preparation of crystalline lactulose14 May 2009US 2009/0120430 A1Fresenius Kabi Austria GmbH
- Process for isomaltose production27 Mar 2003US 2003/0059901 A1Novozymes A/S
Most cited
By later US patents
- Process for preparing a lactulose-containing powder for feed19US 4,057,655 AMorinaga Milk Industry Co., Ltd. · 1977
- Process for producing high-purity oligoglucosylfructosides9US 4,843,156 AKabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo · 1989
- Method for preparing a non-hygroscopic lactulose-containing powder8US 4,142,916 AMorinaga Milk Industry Co., Ltd. · 1979
- Process for preparing lactulose from lactose, in the form of a syrup or a crystalline product8US 4,536,221 ASirac SpA · 1985
- Chromatographic separation process and chromatographic separator8US 6,409,922 B1Organo Corporation · 2002