Amorphous precipitated silica having large liquid carrying capacity
US5906843A · kind A · utility
13Cited by
23References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 3, 1997 |
| Grant date | May 25, 1999 |
| Priority date | — |
| Expiry date | Jun 3, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S426/807
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Substantially dry free-flowing particles of amorphous precipitated silica have large sizes and large carrying capacities for organic liquids, and they contain little or no dust.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.