Method for microencapsulating water-soluble or water-dispersible or water-sensitive materials in an organic continuous phase
US5911923A · kind A · utility
36Cited by
34References
35Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 18, 1997 |
| Grant date | Jun 15, 1999 |
| Priority date | — |
| Expiry date | Jun 18, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J13/18
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for microencapsulating a water-soluble or water-dispersible or water-sensitive material comprising dispersing the water-soluble or water-dispersible or water-sensitive material in an organic continuous phase and adding a polyfunctional isocyanate, a diol or polyol in the presence of an optional polymerization catalyst to the organic continuous phase is described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.