C12N 9/2437
Cellulases
Official title: {Cellulases (3.2.1.4; 3.2.1.74; 3.2.1.91; 3.2.1.150)}
C12N9/2437 (Cellulases) appears on 1,166 US grants and 1,389 published applications in this corpus.
Search patents in C12N- Granted patents
- 1,166
- Published applications
- 1,389
- Assignees
- 464
- Inventors
- 2,469
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 9 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 11 | 0 |
| 1995 | 12 | 0 |
| 1996 | 11 | 0 |
| 1997 | 15 | 0 |
| 1998 | 21 | 0 |
| 1999 | 31 | 0 |
| 2000 | 31 | 0 |
| 2001 | 34 | 3 |
| 2002 | 11 | 19 |
| 2003 | 19 | 32 |
| 2004 | 6 | 20 |
| 2005 | 9 | 23 |
| 2006 | 16 | 25 |
| 2007 | 10 | 26 |
| 2008 | 27 | 32 |
| 2009 | 12 | 47 |
| 2010 | 19 | 55 |
| 2011 | 35 | 63 |
| 2012 | 61 | 90 |
| 2013 | 55 | 103 |
| 2014 | 72 | 116 |
| 2015 | 80 | 126 |
| 2016 | 80 | 97 |
| 2017 | 76 | 80 |
| 2018 | 86 | 73 |
| 2019 | 72 | 77 |
| 2020 | 54 | 55 |
| 2021 | 40 | 55 |
| 2022 | 35 | 30 |
| 2023 | 21 | 43 |
| 2024 | 28 | 30 |
| 2025 | 19 | 39 |
| 2026 | 13 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and systems for propagating microorganisms on stillage compositions22 Sep 2026US 12,742,185 B2POET Research, Inc.
- Methods and systems for producing cellulosic ethanol by biomass saccharification and fermentation8 Sep 2026US 12,729,388 B2Zhejiang Huakang Pharmaceutical Co., Ltd.
- Ultrasonic extraction device for plant polyphenols28 Jul 2026US 12,691,469 B2Zhejiang University
- Fungal cellulase variants with improved stability14 Jul 2026US 12,680,092 B2AB Enzymes Finland Oy
- Compositions for producing fermentation products16 Jun 2026US 12,655,402 B2Novozymes A/S
- Engineered antibodies24 Sep 2026US 2026/0285948 A1Danisco US Inc.
- Koji mold-fermented material highly containing vitamin b17 Sep 2026US 2026/0271974 A1Agency for Science, Technology and Research
- Production method for processed vegetable protein-containing liquid composition17 Sep 2026US 2026/0275397 A1Amano Enzyme Inc.
- Dough composition comprising non-starch polysaccharide degrading enzymes20 Aug 2026US 2026/0240175 A1Kerry Group Services International Limited
- Plant-based viscous food and drink-producing enzyme preparation13 Aug 2026US 2026/0231970 A1Amano Enzyme Inc.
Most cited
By later US patents
- Detergent cellulase280US 4,435,307 ANovo Industri A/S · 1984
- DNA sequence encoding endoglucanase III cellulase121US 5,475,101 AGenencor International, Inc. · 1995
- Methods for reducing the harshness of a cotton-containing fabric116US 5,648,263 ANovo Nordisk A/S · 1997
- Variant EGIII-like cellulase compositions116US 6,268,328 B1Genencor International, Inc. · 2001
- Fungal cellulase composition containing alkaline CMC-endoglucanase and essentially no cellobiohydrolase and method of making thereof112US 5,776,757 ANovo Nordisk A/S · 1998