Process for preparing polyurea microcapsules
US9499769B2 · kind B2 · utility
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2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2012 |
| Grant date | Nov 22, 2016 |
| Priority date | — |
| Expiry date | Apr 13, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/505
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for producing microcapsules with a polyurea wall, as well as to the microcapsules themselves and consumer products comprising these microcapsules. The process of the invention uses 3,5-diamino-1,2,4-triazole as a specific polyamine for forming the wall with the polyisocyanate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.