Patent · US Expired

Articles from a polyester resin reinforced with glass fibre

US5869561A · kind A · utility

0Cited by
1References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 8, 1997
Grant dateFeb 9, 1999
Priority date
Expiry dateOct 8, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2367/02
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Articles from a polyester resin reinforced with glass fiber obtained by melt-shaping of the resin mixed with the glass fiber and a polyfunctional compound capable of increasing the intrinsic viscosity of the resin by addition reactions with the end groups of the rein using melt residence times during the shaping phase lower than 120 sec. and temperatures lower than 300.degree. C.

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