C12N 9/2457
Pullulanase
Official title: {Pullulanase (3.2.1.41)}
C12N9/2457 (Pullulanase) appears on 131 US grants and 115 published applications in this corpus.
Search patents in C12N- Granted patents
- 131
- Published applications
- 115
- Assignees
- 58
- Inventors
- 273
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 0 |
| 2002 | 9 | 4 |
| 2003 | 4 | 7 |
| 2004 | 3 | 3 |
| 2005 | 1 | 2 |
| 2006 | 2 | 1 |
| 2007 | 2 | 0 |
| 2008 | 4 | 5 |
| 2009 | 1 | 7 |
| 2010 | 3 | 1 |
| 2011 | 3 | 3 |
| 2012 | 1 | 4 |
| 2013 | 3 | 4 |
| 2014 | 5 | 4 |
| 2015 | 0 | 4 |
| 2016 | 3 | 5 |
| 2017 | 1 | 5 |
| 2018 | 4 | 6 |
| 2019 | 4 | 7 |
| 2020 | 8 | 8 |
| 2021 | 5 | 6 |
| 2022 | 1 | 9 |
| 2023 | 4 | 6 |
| 2024 | 3 | 3 |
| 2025 | 7 | 7 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compositions for producing fermentation products16 Jun 2026US 12,655,402 B2Novozymes A/S
- Sugar composition containing cyclic tetrasaccharide, use thereof, and production method therefor2 Jun 2026US 12,644,142 B2Nagase Viita Co., Ltd.
- Processes for producing fermentation products26 May 2026US 12,637,699 B2Novozymes A/S
- Compositions comprising microbial polypeptides for degrading glycogen and methods for the treatment of glycogen storage diseases24 Mar 2026US 12,582,724 B2Duke University
- Proteases for beer haze reduction23 Dec 2025US 12,503,674 B2International N&H Denmark Aps
- Mutant of type iii pullulan hydrolase with enhanced enzymatic activity and construction method thereof17 Sep 2026US 2026/0275316 A1Institute of Microbiology, Jiangxi Academy of Sciences (Jiangxi Institute of Watershed Ecology)
- Processes of producing fermentation products30 Apr 2026US 2026/0117266 A1Novozymes North America, Inc.
- Crystallisation of a protein capable of crystallizing under salting-in conditions using multiple protein feeds9 Apr 2026US 2026/0098057 A1
- Proteases for beer haze reduction12 Feb 2026US 2026/0042983 A1International N&H Denmark Aps
- Stabilized liquid enzyme compositions for brewing2 Oct 2025US 2025/0304944 A1Novozymes A/S
Most cited
By later US patents
- Xylanase derived from a Bacillus species, expression vectors for such xylanase and other proteins, host organisms therefor and use thereof50US 6,426,211 B1Genencor International, Inc. · 2002
- Self-processing plants and plant parts43US 7,102,057 B2Syngenta Participations AG · 2006
- Trehalose-releasing enzyme35US 5,472,863 AKabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo · 1995
- Pullulanase producing microrganisms30US 5,817,498 AGenencor International, Inc. · 1998
- Pullulanase, microorganisms which produce it, processes for the preparation of this pullulanese and the uses thereof28US 6,074,854 AGenencor International, Inc. · 2000