Porous substances having ion exchange properties
US3969261A · kind A · utility
13Cited by
2References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 10, 1974 |
| Grant date | Jul 13, 1976 |
| Priority date | — |
| Expiry date | Jul 10, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31663
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An ion exchange substance formed of a porous mineral support having a specific surface area greater than 10 sq.m/g and an organo silicon compound containing at least one amine group in an organic group attached to the silicon atom grafted onto the porous mineral support via the silicon atom of the organo silicon compound and an oxygen group on the support and in which the terminal radicals on the amino group are alkyl groups having from 1 to 3 carbon atoms. SPECIFICATION
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.