Modified sulfonamide polymers
US6987150B2 · kind B2 · utility
7Cited by
53References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 22, 2002 |
| Grant date | Jan 17, 2006 |
| Priority date | — |
| Expiry date | Jan 14, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention provides secondary sulfonamide polymers, wherein some, most, or all of the sulfonamido protons have been replaced with a substituent other than hydrogen. The invention also provides methods for preparing such polymers as well as devices (e.g. composite membranes) incorporating such membranes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.