Method for denaturing paints
US4735637A · kind A · utility
5Cited by
7References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 2, 1987 |
| Grant date | Apr 5, 1988 |
| Priority date | — |
| Expiry date | Mar 2, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/46
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process is provided for denaturing paints which are collected in paint rooms of the type comprising a scrubber in which air charged with droplets of paint is brought into contact with a scrubbing liquid. An additive in the form of an expanded polyurethane powder is included in the scrubbing liquid. The apparatus includes an arrangement for injecting the expanded polyurethane powder into the scrubbing liquid at the top of the scrubber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.