Cationic bituminous emulsions
US4464286A · kind A · utility
23Cited by
22References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 26, 1982 |
| Grant date | Aug 7, 1984 |
| Priority date | — |
| Expiry date | Apr 26, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S516/07
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Emulsifiers for solventless and solvent containing mixing grade, oil-in-water cationic bituminous emulsions are disclosed which are the reaction products of polyamines and the polycarboxylic acids of the general formulae ##STR1## wherein x and y are integers from 3 to 9, x and y together equal 12, at least one Z is a carboxylic acid group and any remaining Z is hydrogen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.