Dimethyl sulfoxide formulation in mixture with additive for lowering the crystallization point of same, and applications of said mixture
US7959767B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 28, 2008 |
| Grant date | Jun 14, 2011 |
| Priority date | — |
| Expiry date | Apr 14, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/43
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention concerns the use of at least one diol and/or of at least one trial as a an additive to dimethylsulfoxide (DMSO®) in order to lower the crystallization point of same. The DMSO formulation is used in combination with the aforementioned additive as a paint-stripping composition, a surface-cleaning composition, a graffiti-cleaning composition, a surface-cleaning composition in the microelectronics field as a photoresist stripping agent, a DMSO-based agrochemical composition or as a constituent of an aforementioned composition, as a solvent for dissolving polymers, or as a constituent of a composition that is usable in the field of cosmetology or pharmacy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.