Method of activating n-methyl-2-pyrrolidone (NMP) and/or delta-butyrolactone (BLO) varnish and paint remover solvents
US5098592A · kind A · utility
16Cited by
7References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 1990 |
| Grant date | Mar 24, 1992 |
| Priority date | — |
| Expiry date | Oct 1, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D7/3281
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method is provided herein which is particularly effective for removing or stripping varnish and paint from surfaces such as wood or metal which comprises activating NMP and/or BLO with about 1-30% by weight of an activator compound which is ethyl 3-ethoxypropionate (EEP).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.