Hydroxy-functionalized poly(amino ether) salts
US5834078A · kind A · utility
47Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 14, 1997 |
| Grant date | Nov 10, 1998 |
| Priority date | — |
| Expiry date | Aug 14, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Poly(hydroxyaminoether) ammonium salts are prepared by contacting a poly(hydroxy amino ether) with a protonic acid or an alkyl halide in an amount and under reaction conditions sufficient to form a poly(hydroxy amino ether) ammonium salt having an oxygen transmission rate of less than about 0.5 cm.sup.3 -mil/100 in.sup.2 -atm(O.sub.2)-day.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.