PBT Injection molding composition
US4140670A · kind A · utility
20Cited by
8References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 1977 |
| Grant date | Feb 20, 1979 |
| Priority date | — |
| Expiry date | Jul 11, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L81/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Molding compositon and molded products comprising polybutylene terephthalate containing thermally stable reinforcing fibers, such as glass fibers, mica and between about 5 and about 40 wt. % based on total weight of PBT molding composition of poly (butylene terephthalate-co-tetramethylene oxide). In a preferred embodiment, the composition also includes amorphous, thermally stable resins such as polymethyl methacrylate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.