Method of producing humic acid
US4319041A · kind A · utility
18Cited by
2References
6Claims
0Family size
Inventor
Key dates
| Filing date | Sep 18, 1980 |
| Grant date | Mar 9, 1982 |
| Priority date | — |
| Expiry date | Sep 18, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC05F11/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A liquid humic acid concentrate and a process for making the same is disclosed in which the humic acid is formed by mixing a humic acid bearing ore in a quantity of water and caustic soda for a specified period of time and continuing to mix to form a liquid product of humic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.