.omega.,.omega.'-Bis-[4-amino-3-aminomethyl-piperidyl-(1)]-alkanes, process for their manufacture and their use
US3945953A · kind A · utility
4Cited by
2References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 23, 1974 |
| Grant date | Mar 23, 1976 |
| Priority date | — |
| Expiry date | Aug 23, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G59/506
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
.omega.,.omega.'-bis-[4-amino-3-aminomethyl-piperidyl-(1)]-alkanes of the general formula ##SPC1## Wherein n is a number from 2 to 6, are prepared by hydrogenating, a .omega.,.omega.'-bis-[4-amino-3-cyano-1,2,5,6-tetrahydro-pyridyl-(1)]-alka ne at temperatures from 20.degree. to 280.degree.C. These polyamines are valuable hardeners for epoxide resins. They are also of interest as intermediates for organic syntheses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.