Thermoplastic polyarylate compositions having improved oxygen barrier properties
US5051490A · kind A · utility
4Cited by
21References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 1990 |
| Grant date | Sep 24, 1991 |
| Priority date | — |
| Expiry date | Sep 25, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/193
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Aromatic thermoplastic polyarylates containing structural units derived from a bisphenol of cyclohexanone, preferably 1,1-bis(4-hydroxy-3-methylphenyl)cyclohexane, and an aromatic dicarboxylic acid or mixture of such acids, are provided which exhibit improved oxygen barrier properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.