Aqueous polyester coating compositions
US7022759B2 · kind B2 · utility
9Cited by
7References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 11, 2001 |
| Grant date | Apr 4, 2006 |
| Priority date | — |
| Expiry date | Jan 18, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D167/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An aqueous coating composition comprising a crosslinkable water-dispersible polyester oligomer wherein said composition when drying to form a coating has the following properties: an open time of at least 20 minutes, a wet edge time of at least 10 minutes, a thumb hard time of ≦48 hours and a tack-free time ≦20 hours and an equilibrium viscosity of ≦5000 Pa.s at any solids content when drying in the range of from 20 to 55 wt % using a shear rate in the range of from 9±0.5 to 90±5 s−1 and at 23±2° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.