Water-based purge composition
US6984616B2 · kind B2 · utility
3Cited by
20References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2002 |
| Grant date | Jan 10, 2006 |
| Priority date | — |
| Expiry date | May 15, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D7/3218
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A purge solution for removing water-based dehydrated paint residues from a paint delivery system includes 2–15 total weight percent of a purge concentrate diluted with solvent. The concentrate includes 20–99.5 total weight percent of a C4 alcohol or an alkoxylated C4 alcohol, and 0.5–30 total weight percent of an amine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.