Process for producing clay mineral of chain structure
US4987106A · kind A · utility
7Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 1989 |
| Grant date | Jan 22, 1991 |
| Priority date | — |
| Expiry date | Dec 27, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B33/44
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process for producing a clay mineral of chain structure such as sepiolite and attapulgite. The process comprises suspending a metal silicate gel in an aqueous solution which has a pH value of 3-11 at room temperature and contains a clay mineral of chain structure suspending therein, and then heating the resulting suspension at a temperature below 350.degree. C. According to this process, it is possible to produce a clay mineral of chain structure in a simple, stable manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.