Production process of encapsulated bodies
US4814274A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1987 |
| Grant date | Mar 21, 1989 |
| Priority date | — |
| Expiry date | Feb 2, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S426/803
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Encapsulated bodies are produced by bringing a fluid, which is to form the cores of the encapsulated bodies, and a solution, which has ability to form gel skins upon contact with the fluid, into contact and including a gelling reaction therebetween. A desired liquid, which is suitable for the utilization of the encapsulated bodies, is introduced successively into the reaction mixture in which the encapsulated bodies formed by the gelling reaction are dispersed. The liquid portion of the reaction mixture is hence substituted with the desired liquid and the resultant encapsulated bodies are therefore recovered in a form dispersed in the desired liquid. An apparatus suitable for use in the practice of the encapsulation is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.