Microencapsulation process and product
US5925464A · kind A · utility
32Cited by
5References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 8, 1997 |
| Grant date | Jul 20, 1999 |
| Priority date | — |
| Expiry date | Aug 8, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2989
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Microencapsulated compositions, useful, for example, as pesticidal formulations, were prepared a process in which the microcapsules containing the encapsulated material are formed in an interfacial polycondensation reaction carried out in the presence of one polyvinylalcohol, a different polyvinylalcohol is added, and the resulting mixture is spray dried.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.