Mannich bases and processes for the preparation of mannich bases
US7935775B2 · kind B2 · utility
0Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 4, 2004 |
| Grant date | May 3, 2011 |
| Priority date | — |
| Expiry date | Nov 7, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G59/623
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed are novel Mannich bases which are produced by using at least one phenolic compound of formula (I):formaldehyde, and at least one polyamine. Also disclosed is a two-step method for producing Mannich bases, by means of which low viscous Mannich bases are obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.