Polyurethane composition
US6956074B1 · kind B1 · utility
0Cited by
4References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 1999 |
| Grant date | Oct 18, 2005 |
| Priority date | — |
| Expiry date | Aug 19, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S528/906
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
There is a provided a polyurethane composition, which exhibits an excellent property of preventing discoloring or coloring not only by oxidized nitrogen gases but also by heat, characterized in that
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.