Hydroquinone poly(iso-terephthalates) containing residues of p-hydroxybenzoic acid
US5097001A · kind A · utility
6Cited by
2References
14Claims
0Family size
Inventors
Key dates
| Filing date | Sep 26, 1989 |
| Grant date | Mar 17, 1992 |
| Priority date | — |
| Expiry date | Sep 26, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L67/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A high modulus, high strength melt processable copolyester consisting essentially of recurring units (I), (II), (III) and (IV): ##STR1## wherein said copolyester has a melting point in the range of from about 340.degree. C. to 400.degree. C., a crystallization temperature of from about 300.degree. C.-340.degree. C., and a crystallization rate of at least 1,000 counts/minute.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.