Methods for generating mixtures of diisocyanates by phosgenation of diamino alkyl esters
US9090804B2 · kind B2 · utility
1Cited by
5References
20Claims
0Family size
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Inventors
Key dates
| Filing date | Aug 16, 2011 |
| Grant date | Jul 28, 2015 |
| Priority date | — |
| Expiry date | Feb 12, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24066
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to an improved composition comprising a blend of diisocyanates of Formula (II) derived from their corresponding dianiino alkyl esters obtained from soy protein source, wherein R is an alkyl and n is 1-4, and methods of making and using such compositions as construction material resin binders, in particular, wood resin binders and/or adhesives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.