Stabilized thermoplastic polyesterurethanes
USRE30721E · kind E · reissue
0Cited by
8References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 1980 |
| Grant date | Aug 25, 1981 |
| Priority date | — |
| Expiry date | Jun 6, 2000 |
Classification
- Technology area (CPC —)General
Abstract
The instant invention is directed to novel color and hydrolytically stable thermoplastic polyester urethanes. The invention broadly consists of adding 2-oxazolidones to the components of the polyurethane, or to the polyurethane itself.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.