Patent · US Expired

Schockproof polyester-injected parts

US6476145B1 · kind B1 · utility

2Cited by
7References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 29, 2000
Grant dateNov 5, 2002
Priority date
Expiry dateJun 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.