Rosin derivatives used as dispersants
US4415705A · kind A · utility
11Cited by
3References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 19, 1982 |
| Grant date | Nov 15, 1983 |
| Priority date | — |
| Expiry date | Jul 19, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09F1/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
High-solids pigment concentrates are disclosed containing a novel dispersing agent formed by reacting a poly (lower alkylene) imine, having molecular weight of 1,000 to 15,000 with a polyester comprising the esterification product of hydroxystearic acid, or its oligomer, with tall oil rosin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.