C12N 9/2454
Dextranase
Official title: {Dextranase (3.2.1.11)}
C12N9/2454 (Dextranase) appears on 26 US grants and 25 published applications in this corpus.
Search patents in C12N- Granted patents
- 26
- Published applications
- 25
- Assignees
- 23
- Inventors
- 79
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 3 |
| 2003 | 2 | 2 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 3 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Small-scale robots for biofilm eradication7 Oct 2025US 12,433,295 B2The Trustees of the University of Pennsylvania
- Codon optimization for increasing transgene expression in chloroplasts of higher seed plants17 May 2022US 11,332,754 B2The Trustees of the University of Pennsylvania
- Polypeptides having dextranase activity and polynucleotides encoding same19 Sep 2017US 9,765,409 B2Novozymes A/S
- Glycosidase enzymes26 Jan 2016US 9,243,236 B2BP Corporation North America Inc.
- Glycosidase enzymes6 May 2014US 8,715,993 B2BP Corporation North America Inc.
- Enzyme composition for treating dental plaque and plaque bacterial biofilms, and for the natural whitening of tooth enamel30 Jul 2026US 2026/0216042 A1
- Compositions for exposing film-forming microbes and methods for use of the compositions8 Jan 2026US 2026/0009065 A1Guild Associates, Inc.
- A method for preparation of alpha-glucan2 May 2024US 2024/0141398 A1
- Compositions for exposing film-forming microbes and methods for use of the compositions3 Aug 2023US 2023/0242963 A1Guild Associates, Inc.
- Small-scale robots for biofilm eradication6 Jan 2022US 2022/0000119 A1The Trustees of the University of Pennsylvania
Most cited
By later US patents
- Oral immunization by transgenic plants68US 5,654,184 AWashington University · 1997
- Oral immunization by transgenic plants60US 5,679,880 AWashington University · 1997
- Oral immunization by transgenic plants56US 5,686,079 AWashington University · 1997
- Oral composition28US 4,466,954 ALion Corporation · 1984
- Oral composition containing dextranase and .alpha.-1,3 glucanase and a method for preventing and suppressing oral diseases using the same16US 4,438,093 AThe Research Foundation for Microbiai Diseases of Osaka University · 1984