Reforming linear polyamines
US4316840A · kind A · utility
38Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 25, 1980 |
| Grant date | Feb 23, 1982 |
| Priority date | — |
| Expiry date | Nov 25, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C209/64
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Process for production of polyalkylene polyamines, preferably non-cyclic polyalkylene polyamines, by reforming of other polyalkylene polyamines. The reforming process is effected by reacting the polyalkylene polyamine starting material in the presence of a metal nitrate or sulfate, preferably a sulfate, catalyst at elevated temperature and pressure and in the presence of sufficient water and sufficient catalyst, for a reaction period and under reaction conditions otherwise adapted to bring about the desired reforming reaction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.