Process for the preparation of spherules
US5492701A · kind A · utility
34Cited by
6References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 8, 1994 |
| Grant date | Feb 20, 1996 |
| Priority date | — |
| Expiry date | Jul 8, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J13/043
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An oil-in-water emulsion is passed through a nozzle to form spherules which are allowed to fall countercurrent to a flow of cold air and which are recovered utilizing either a liquid crosslinking agent or a solution, preferably aqueous, optionally containing a crosslinking agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.