Patent · US Expired

Glass filled polyester molding composition

US5840798A · kind A · utility

14Cited by
42References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 6, 1997
Grant dateNov 24, 1998
Priority date
Expiry dateJun 6, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2976
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A reinforced polyester molding composition which, based on the weight of the total composition, comprises a polyester resin and glass fibers, wherein said glass fibers have a bimodal cross sectional area wherein one fiber type is selected to improve impact strength and the other fiber type is selected to improve warpage.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.