Separation of molecules
US3943072A · kind A · utility
38Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 1974 |
| Grant date | Mar 9, 1976 |
| Priority date | — |
| Expiry date | Mar 28, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S502/511
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Porous material particularly suitable for selective sorption and retention of macromolecules are manufactured by mixing a finely divided inorganic material with a fugitive additive, forming into discrete particles and heat treating to remove fugitive additive. The fugitive additive is a solid which is preferably mixed with the inorganic material after dissolving the additive in a solvent which is not a solvent for the inorganic material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.