Storage stable methylene bis(phenylisocyanate) compositions
US6120699A · kind A · utility
14Cited by
9References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 1998 |
| Grant date | Sep 19, 2000 |
| Priority date | — |
| Expiry date | Sep 21, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/725
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides a liquid methylene bis(phenylisocyanate) composition including a high concentration of methylene bis(phenylisocyanate) which has an improved storage stability. The invention further provides a method of making the liquid methylene bis(phenylisocyanate) compositions of the present invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.