Silicon resin aqueous emulsion for damp-proofing building materials
US6531229B1 · kind B1 · utility
5Cited by
4References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2001 |
| Grant date | Mar 11, 2003 |
| Priority date | — |
| Expiry date | Feb 28, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31663
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention concerns an aqueous emulsion comprising (1) at least one resin comprising at least one unit T, of formula MaDbTc(O1/2R)e or DbTc(O1/2R)e, (2) a reaction product of (a) ammonia or polyfunctional aromatic or aliphatic amine, (2) a carboxylic acid or anhydride, and (3) a non-ionic, anionic, or amphoteric surfactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.