Biological degradation of low-rank coals
US12275971B2 · kind B2 · utility
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26Claims
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Key dates
| Filing date | Oct 31, 2023 |
| Grant date | Apr 15, 2025 |
| Priority date | — |
| Expiry date | Oct 31, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/40
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
Methods and processes for producing aerobic digestion products, such as organic acids, from a low-rank coal substrate are provided. Also provided are multistage bioreactor systems for carrying out the described methods and processes. In another aspect, product compositions comprising organic acids produced by the described methods and processes are provided, as well as methods for their use, including for the improvement of soil quality and/or plant growth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.