PBT molding compositions
US4157325A · kind A · utility
29Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 1977 |
| Grant date | Jun 5, 1979 |
| Priority date | — |
| Expiry date | Jul 11, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2201/016
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Molding composition and molded products comprising polybutylene terephthalate containing thermally stable reinforcing fibers, such as glass fibers, having an aspect ratio of at least about 5, inert particular filler, such as glass spheres, having an aspect ratio of less than about 3 and 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.