Paint stripping composition
US6001192A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 11, 1998 |
| Grant date | Dec 14, 1999 |
| Priority date | — |
| Expiry date | Mar 11, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D9/005
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Inexpensive paint stripper compositions containing neither chlorinated nor alkaline solvents and well adapted for removing paints such as glycerophtalic, alkyd-urethane or arylic urethane paints on a variety of substrates, e.g. wood and metal substrates comprise (a) 1 to 99% by volume of an aprotic polar solvent chosen from the group comprising: dimethyl sulfoxide, dimethyl formamide, N-methylpyrrolidone, N-methylmorpholine, .gamma.-butyrolactone, acetonitrile and mixtures thereof; and (b) 99 to 1% by volume of an ether selected from the family of ethers having a flash point higher than 0.degree. C., a molar volume less than 160 and a molecule that includes one or several methoxy groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.