Cross-linked polyphenylene oxide
US4468501A · kind A · utility
15Cited by
15References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1983 |
| Grant date | Aug 28, 1984 |
| Priority date | — |
| Expiry date | Jun 30, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D71/5223
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Cross-linked polyphenylene oxide compositions comprise the reaction product of an alkyl halogenated phenylene oxide polymer and ammonia. The cross-linkage between phenylene groups is benzyl amine linkage represented by the structural formula --CH.sub.2 NHCH.sub.2 --. The cross-linked polyphenylene oxide is useful as a membrane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.