Disulfonated alkylamines as degreasers and hydrotropes
US6207637A · kind A · utility
2Cited by
5References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 23, 1998 |
| Grant date | Mar 27, 2001 |
| Priority date | — |
| Expiry date | Oct 23, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/83
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The reaction product of an alkylenediamine, each amino group thereof being a primary or secondary amino group; with at least two equivalents of an acrylamidoalkanesulfonic acid or a salt thereof, wherein each amine nitrogen atom of said alkylenediamine is reacted with a single molecule of the acrylamidoalkane sulfonic acid or salt thereof provides a useful surfactant or hydrotrope.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.