Light-absorbing polyurethane compositions and thermoplastic polymers colored therewith
US5194463A · kind A · utility
34Cited by
5References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1991 |
| Grant date | Mar 16, 1993 |
| Priority date | — |
| Expiry date | Sep 27, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L101/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided are novel light-absorbing polyurethane compositions and blends of said polyurethane compositions with other thermoplastic polymers. Also provided are shaped or formed articles comprised of the light-absorbing polyurethane compositions and light-absorbing thermoplastic polymer blends.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.