Use of supported phosphate catalysts for preparation of linear polyethylenepolyamines
US4612397A · kind A · utility
17Cited by
12References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 25, 1985 |
| Grant date | Sep 16, 1986 |
| Priority date | — |
| Expiry date | Apr 25, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/584
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention is directed to thermally activated pelletted catalyst compositions comprising titania having phosphorous derived from a diaminohydrogen phosphate deposited thereon and to their preparation and their use in the production of predominantly linear polyethylenepolyamines from ethylenediamine and monoethanolamine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.