Schockproof polyester-injected parts
US6476145B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2000 |
| Grant date | Nov 5, 2002 |
| Priority date | — |
| Expiry date | Jun 29, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L67/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyester injection-moulded parts based on a polyester (A) and on a copolymer (B) of ethylene and of an unsaturated epoxy, such that weight % (B)×MFI (A+B)/MFI(A) is greater than 3 and in this expression:MFI (A+B) denotes the melt flow index of the modified polyester, that is to say the blend of (A) and (B) and of any fillers;MFI (A) denotes the melt flow index of the polyester (A) and of any fillers (without (B)); andweight % (B) denotes the percentage by weight of (B) in the blend of (A) and (B) and of any fillers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.