Tetramines by amination of polyoxyalkylene glycols
US4990576A · kind A · utility
12Cited by
12References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 1989 |
| Grant date | Feb 5, 1991 |
| Priority date | — |
| Expiry date | Oct 31, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L63/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process in which a di-trimethylol alkane initiator is oxyalkylated to form an alkylene oxide adduct which is then catalytically aminated to provide, for example, a tetramine. These compounds are useful for preparing polyurethane products and as curing agents for epoxy resins.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.