Multistage continuous preparation of cycloaliphatic diisocyanates
US7371891B2 · kind B2 · utility
1Cited by
23References
50Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 2005 |
| Grant date | May 13, 2008 |
| Priority date | — |
| Expiry date | Dec 17, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a multistage process for continuous and phosgene-free preparation of cycloaliphatic diisocyanates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.