Phosphate bonded structural products from high volume wastes
US5846894A · kind A · utility
44Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 18, 1996 |
| Grant date | Dec 8, 1998 |
| Priority date | — |
| Expiry date | Mar 18, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S588/901
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method to produce structural products from benign waste is provided comprising mixing pretreated oxide with phosphoric acid to produce an acid solution, mixing the acid solution with waste particles to produce a slurry, and allowing the slurry to cure. The invention also provides for a structural material comprising waste particles enveloped by an inorganic binder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.