Process for producing a polyalkylene polyamine
US5073649A · kind A · utility
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7Claims
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Key dates
| Filing date | Feb 9, 1989 |
| Grant date | Dec 17, 1991 |
| Priority date | — |
| Expiry date | Feb 9, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for producing an alkylenamine, which comprises reacting ammonia and/or a polyalkylene polyamine with an alkanolamine to obtain an alkylenamine having an increased number of alkylene chains over the ammonia and/or the alkylenamine as starting material, wherein a catalyst having a niobium-containing substance supported on a carrier is used for the reaction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.