Composition for removing stains from textiles
US7271140B2 · kind B2 · utility
4Cited by
25References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 8, 2004 |
| Grant date | Sep 18, 2007 |
| Priority date | — |
| Expiry date | Oct 20, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D7/3281
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A stain removing composition having a mixture of N-methyl pyrrolidinone and at least one solvent from the group consisting of 3-pentanol, dipropylene glycol monomethyl ether, propylene glycol n-propyl ether, and diethylene glycol monobutyl ether. Preferably, the stain removing composition comprises, in percent by weight about 70-90%, N-methyl pyrrolidinone and about 10-30%, in percent by weight, at least one of the solvents from the group described above.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.