C12P 7/50
Having keto groups
Official title: having keto groups, e.g. 2-ketoglutaric acid
C12P7/50 (Having keto groups) appears on 47 US grants and 73 published applications in this corpus.
Search patents in C12P- Granted patents
- 47
- Published applications
- 73
- Assignees
- 38
- Inventors
- 169
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 3 |
| 2009 | 0 | 1 |
| 2010 | 0 | 6 |
| 2011 | 1 | 2 |
| 2012 | 5 | 7 |
| 2013 | 2 | 5 |
| 2014 | 3 | 3 |
| 2015 | 3 | 10 |
| 2016 | 3 | 1 |
| 2017 | 4 | 3 |
| 2018 | 1 | 4 |
| 2019 | 0 | 3 |
| 2020 | 4 | 4 |
| 2021 | 3 | 3 |
| 2022 | 2 | 2 |
| 2023 | 3 | 2 |
| 2024 | 0 | 3 |
| 2025 | 4 | 3 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Biological degradation of low-rank coals23 Dec 2025US 12,503,714 B2Tenfold Technologies, LLC
- Process for the preparation of 2,4- or 2,5-pyridinedicarboxylic acid and copolymers derived therefrom28 Oct 2025US 12,454,710 B2Biome Bioplastics Limited
- Biological degradation of low-rank coals15 Apr 2025US 12,275,971 B2Tenfold Technologies, LLC
- Recombinant microorganisms and uses therefor4 Mar 2025US 12,241,105 B2LanzaTech, Inc.
- Enzymatic process for production of modified hop products21 Nov 2023US 11,821,020 B2Kalamazoo Holdings, Inc.
- Biological degradation of low-rank coals6 Aug 2026US 2026/0226521 A1Tenfold Technologies, LLC
- Genetically Engineered Yeast Producing 3-Hydroxypropionic Acid at Low pH7 May 2026US 2026/0125634 A1Archer Daniels Midland Company
- New polymers and methods26 Mar 2026US 2026/0085336 A1Biome Bioplastics Limited
- Method for preparing keto acids, and use of same in preparation of amino acids or amino acid derivatives2 Oct 2025US 2025/0305012 A1Mint Biotechnologies Co., Ltd.
- Genetically modified microorganism for producing 3-hydroxyadipic acid and/or 3-oxoadipic acid, and production method for said chemical products3 Jul 2025US 2025/0215461 A1Toray Industries, Inc.
Most cited
By later US patents
- Aldolase and production process of substituted α-keto acids16US 7,351,569 B2Ajinomoto Co., Inc. · 2008
- Process of producing glutamate derivatives14US 7,297,800 B2Ajinomoto Co., Inc. · 2007
- Method of making propanol and ethanol from plant material by biological conversion and gasification12US 8,329,436 B2ZeaChem, Inc. · 2012
- Biological synthesis of difunctional alkanes from carbohydrate feedstocks10US 8,133,704 B2Celexion, LLC · 2012
- Aldolase and production process of substituted α-keto acids6US 8,058,038 B2Ajinomoto Co., Inc. · 2011