Compositions for drying solid surfaces
US6841091B2 · kind B2 · utility
2Cited by
14References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 4, 1998 |
| Grant date | Jan 11, 2005 |
| Priority date | — |
| Expiry date | Mar 4, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K3/18
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A drying composition according to the invention is composed of a solution of a surface-active agent in a mixture of a fluorinated hydrocarbon and of a polyfluorinated alcohol of formula:Rf—(CH2)n—OH (I)in which n is equal to 1 or 2 and Rf represents a linear perfluoroalkyl radical containing from 2 to 8 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.