C12P 7/48
Tricarboxylic acids
Official title: Tricarboxylic acids, e.g. citric acid
C12P7/48 (Tricarboxylic acids) appears on 123 US grants and 121 published applications in this corpus.
Search patents in C12P- Granted patents
- 123
- Published applications
- 121
- Assignees
- 95
- Inventors
- 390
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 0 | 4 |
| 2007 | 2 | 0 |
| 2008 | 2 | 2 |
| 2009 | 0 | 5 |
| 2010 | 3 | 3 |
| 2011 | 0 | 3 |
| 2012 | 1 | 2 |
| 2013 | 1 | 5 |
| 2014 | 3 | 6 |
| 2015 | 6 | 20 |
| 2016 | 7 | 11 |
| 2017 | 8 | 9 |
| 2018 | 13 | 10 |
| 2019 | 2 | 14 |
| 2020 | 7 | 6 |
| 2021 | 6 | 6 |
| 2022 | 4 | 4 |
| 2023 | 4 | 1 |
| 2024 | 5 | 2 |
| 2025 | 2 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermophilic recombinant type II pullulanase and application thereof3 Jun 2025US 12,319,941 B2Jiangnan University
- Process for simultaneous production of citric acid and cellulolytic enzymes18 Mar 2025US 12,252,726 B2Indian Oil Corporation Limited
- Compositions and methods related to fungal hypoxia responsive morphology factor a (hrmA) and biofilm architecture factor (baf) proteins15 Oct 2024US 12,116,579 B2Trustees of Dartmouth College
- Method for producing citric acid by degrading roughages with the rumen fungus-methanogen co-culture from qinghai yaks20 Aug 2024US 12,065,686 B2
- Lactobacillus paracasei and uses thereof16 Jul 2024US 12,037,627 B2China National Research Institute of Food and Fermentation Industries
- Consolidated bioprocessing of complex carbohydrates to d-erythro-isocitric acid using a fungus10 Sep 2026US 2026/0265790 A1Leibniz-Institut FüR Naturstoff-Forschung Und Infektionsbiologie – HansknöLl- Institut –
- Glucoamylase variants and polynucleotides encoding same24 Jul 2025US 2025/0236859 A1Novozymes A/S
- Compositions and methods related to fungal hypoxia responsive morphology factor a (hrma) and biofilm architecture factor (baf) proteins30 Jan 2025US 2025/0034581 A1Trustees of Dartmouth College
- Glucoamylase variants and polynucleotides encoding same14 Mar 2024US 2024/0084277 A1Novozymes A/S
- Method For Producing Citric Acid by Degrading Roughages with the Rumen Fungus-methanogen Co-culture from Qinghai Yaks11 Jan 2024US 2024/0011060 A1Institute of Biology, Gansu Academy of Sciences
Most cited
By later US patents
- Production of lactate using crabtree negative organisms in varying culture conditions190US 6,485,947 B1Cargill Dow Polymers, LLC · 2002
- Method for manufacturing organic acid by high-efficiency continuous fermentation75US 6,596,521 B1Korea Advanced Institute of Science and Technology · 2003
- Aerobic succinate production in bacteria75US 7,262,046 B2Rice University · 2007
- Lactic acid extraction and purification process41US 5,641,406 AVogelbusch Gesellschaft m.b.H. · 1997
- Process for enzymatic hydrolysis of lignocellulosic material and fermentation of sugars24US 9,982,280 B2Dsm IP Assets B.V. · 2018