Stabilization of polyesters using epoxy compounds in combination with a catalyst
US5596049A · kind A · utility
25Cited by
17References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1995 |
| Grant date | Jan 21, 1997 |
| Priority date | — |
| Expiry date | Jun 7, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31794
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A novel polyester composition is disclosed comprising a linear polyester resin, a difunctional epoxy compound and a catalyst. The novel polyester compositions have excellent melt viscosity properties including excellent retention of melt viscosity after aging.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.