Permselective polymeric membranes of organic polyamide or polyhydrazide
US3993625A · kind A · utility
38Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 22, 1974 |
| Grant date | Nov 23, 1976 |
| Priority date | — |
| Expiry date | May 22, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S524/909
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Permselective membranes are prepared from novel synthetic organic aromatic or alicyclic polyamides or polyhydrazides of the formula ##EQU1## The membranes are useful in separating components of fluid mixtures or solutions such as water containing dissolved salts or lactam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.