Zirconium phosphate and method for its preparation
US4826663A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 13, 1986 |
| Grant date | May 2, 1989 |
| Priority date | — |
| Expiry date | May 13, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D453/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a zirconium phosphate in particles having sizes comprised within the range of from 1 to 100 .mu.m, a lamellar structure with interlayer distance, in the anhydrous state, comprised within the range of from 7.9 to 8.2 .ANG. and a surface area comprised within the range of from 9 to 20 m.sup.2 /g. The method consists in altering the lamellar structure of a zirconium phosphate with layer structure of alpha type by intercalating into it an organic substance containing a proton-acceptor group and water and by a treatment with ultrasounds, in regenerating the hydrogen form of said zirconium phosphate by an acid and in washing the same with diluted acids and/or water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.