Organic aerogels
US5869545A · kind A · utility
20Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 18, 1998 |
| Grant date | Feb 9, 1999 |
| Priority date | — |
| Expiry date | Feb 18, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2375/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Preparation of polyisocyanate-based aerogels in the presence of polyfunctional isocyanatge-reactive compounds having an average nominal hydroxyl functionality 2 to 4 and number average molecular weight 50 to 5000, especially linear glycols containing from 2 to 30 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.