A23C 21/023
Lactose hydrolysing enzymes
Official title: {Lactose hydrolysing enzymes, e.g. lactase, B-galactosidase}
A23C21/023 (Lactose hydrolysing enzymes) appears on 27 US grants and 45 published applications in this corpus.
Search patents in A23C- Granted patents
- 27
- Published applications
- 45
- Assignees
- 34
- Inventors
- 106
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 5 |
| 2015 | 1 | 2 |
| 2016 | 1 | 3 |
| 2017 | 0 | 2 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 1 | 5 |
| 2021 | 0 | 1 |
| 2022 | 2 | 3 |
| 2023 | 0 | 2 |
| 2024 | 1 | 3 |
| 2025 | 1 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nisin-permeabilized microbial cell catalysts10 Mar 2026US 12,571,019 B2Danmarks Tekniske Universitet
- Lactose reduced dairy powder24 Feb 2026US 12,557,825 B2Dsm IP Assets B.V.
- Sweetened dairy products with steviol glycosides and lactase enzyme6 May 2025US 12,290,080 B2Danone US, LLC
- Method for producing galactooligosaccharides23 Jul 2024US 12,043,855 B2DMK Deutsches Milchkontor GmbH
- Sweetened dairy products with steviol glycosides and lactase enzyme18 Oct 2022US 11,470,851 B2Danone US, LLC
- Nisin-permeabilized microbial cell catalysts13 Aug 2026US 2026/0234688 A1
- Method and system for producing purified galacto-oligosaccharide derived from acid whey or pasteurized whey16 Jul 2026US 2026/0201434 A1Chobani LLC
- Sweetened dairy products with steviol glycosides and lactase enzyme27 Nov 2025US 2025/0359567 A1Danone US, LLC
- Method for producing a fermented milk product27 Mar 2025US 2025/0098693 A1Kerry Group Services International Limited
- Use of lactase in the preparation of a strained fermented dairy product31 Oct 2024US 2024/0358034 A1Danone US, LLC
Most cited
By later US patents
- Production of lactic acid by continuous fermentation using an inexpensive raw material and a simplified method of lactic acid purification62US 4,771,001 ANeurex Corporation · 1988
- Production of lactic acid by continuous fermentation using an inexpensive raw material and a simplified method of lactic acid purification44US 4,698,303 AEngenics, Inc. · 1987
- Process for converting sour whey into sweet whey and product17US 4,358,464 ASuperior Dairy, Inc. · 1982
- Use of whey-derived products as cheese flavoring agents or enhancers14US 4,500,549 ACorning Glass Works · 1985
- Process for hydrolyzing lactose with immobilized lactose12US 4,409,247 ACorning Glass Works · 1983