Self-dispersing tin oxide sols
US4746459A · kind A · utility
3Cited by
17References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 9, 1987 |
| Grant date | May 24, 1988 |
| Priority date | — |
| Expiry date | Jan 9, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S516/927
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An aqueous sol composition from the group consisting of antimony and tin sols useful in restoring the activity of metal contaminated molecular sieve cracking catalysts which comprises a major portion of an aqueous antimony sol or tin sol containing between 1-50% by weight of antimony oxide as Sb.sub.2 O.sub.5 or tin oxide as SnO.sub.2 and between 0.1-20% by weight of a compatable water-soluble surfactant which is capable of producing a water-in-oil emulsion and having an HLB of at least 6.0.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.