Method for fabricating microparticles in emulsion by modification of the chemical composition of the dispersed phase after emulsification
US5672301A · kind A · utility
29Cited by
8References
72Claims
0Family size
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Key dates
| Filing date | Feb 21, 1995 |
| Grant date | Sep 30, 1997 |
| Priority date | — |
| Expiry date | Feb 21, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J13/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The method for producing microparticles is characterized in that it comprises the following steps: preparation of an emulsion of a solution of a substance or a mixture of substances in a dispersing liquid wherein said substance or said mixture are substantially insoluble; incorporating to said dispersed phase a chemical agent substantially insoluble in the dispersing liquid so as to cause within the dispersed phase a chemical or physicochemical reaction responsible for the formation of microparticles which are then isolated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.