Method of making hydroxyalkyl amide containing reduced level of unreacted alkanolamine
US7244857B2 · kind B2 · utility
9Cited by
7References
65Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 14, 2003 |
| Grant date | Jul 17, 2007 |
| Priority date | — |
| Expiry date | Apr 12, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L10/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for reacting alkanolamine with ester in the presence of a metal silicate compound and, optionally, a catalyst, to produce a hydroxyalkyl amide composition with a decreased level of alkanolamine and residual catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.