Method for salvaging aromatic polycarbonate blend values
US5414021A · kind A · utility
9Cited by
5References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 2, 1993 |
| Grant date | May 9, 1995 |
| Priority date | — |
| Expiry date | Aug 2, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/62
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method is provided for effecting the removal of cured polyurethane paint from the surface of aromatic polycarbonate blend surfaces. Effective removal of thermally cured polyurethane paint from aromatic polycarbonate blend surface can be achieved by immersing the painted aromatic polycarbonate blend in an aqueous bath containing organic solvent, an alkali metal hydroxide and a surfactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.