Preparation of linear polyethylenepolyamines with modified catalysts
US4584406A · kind A · utility
15Cited by
13References
15Claims
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Assignee
Inventors
Key dates
| Filing date | Dec 6, 1984 |
| Grant date | Apr 22, 1986 |
| Priority date | — |
| Expiry date | Dec 6, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/584
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention is directed to pelletted catalyst compositions supported on group IVb transition metal oxides that contain phosphorous derived from phosphoryl chloride or phosphorous bromide 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.