Sulfonato-organosilanol compounds and aqueous solutions
US4235638A · kind A · utility
17Cited by
5References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 11, 1978 |
| Grant date | Nov 25, 1980 |
| Priority date | — |
| Expiry date | Apr 11, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/90
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Sulfonato-organosilanol compounds and aqueous solutions and compositions thereof are provided which have at least one sulfonato-organic substituent therein. The weight percentage of oxygen in the compounds is at least about 30% and the weight percentage of silicon in the compounds is not greater than about 15%, these percentages being taken with reference to the water-free acid form of the compounds. Hydrophilic siliceous surfaces and processes for imparting hydrophilicity to such surfaces are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.