Shaped polyester articles having good flame resistance and process for the production thereof
US4061615A · kind A · utility
2Cited by
2References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 22, 1975 |
| Grant date | Dec 6, 1977 |
| Priority date | — |
| Expiry date | Dec 22, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2697
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to shaped polyester articles which have good flame resistance. These articles comprise a polymethylene copolyester containing 60 to 95 mol % of terephthalate units and 5 to 40 mol % of isophthalate units and they contain 2 to 40% by weight of a phosphorus and/or halogen compound. They are employed in the textile industry and, in particular, in the furniture industry as well as in plastic films and materials for the building industry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.