Patent · US Expired

Injection molding compositions

US4195011A · kind A · utility

4Cited by
6References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 11, 1977
Grant dateMar 25, 1980
Priority date
Expiry dateJul 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, and between about 5 and about 70 wt. % based on total PBT composition of novaculite having an average particle size between about 3 and about 5 microns. In preferred embodiments the composition also includes amorphous thermally stable resins such as polymethyl methacrylate and poly(butylene terephthalate-co-tetramethylene oxide).

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