Method and system for removing residual water from excess washcoat by ultrafiltration
US7179376B2 · kind B2 · utility
37Cited by
22References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 24, 2003 |
| Grant date | Feb 20, 2007 |
| Priority date | — |
| Expiry date | Aug 3, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D61/145
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A washcoat coating composition is disclosed that includes at least one water insoluble organic solvent and at least one polymer, such as an epoxy acrylic copolymer. A method of removing residual water from a mixture of residual water and washcoat using ultrafiltration is also disclosed. A method of coating a metal article and a washcoat system for applying a washcoat to a metal article is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.