Patent · US Expired

Glass/plastic compounds

US6762219B2 · kind B2 · utility

5Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 21, 2002
Grant dateJul 13, 2004
Priority date
Expiry dateOct 21, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K3/40
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A glass/plastic compound based on thermoplastics includes a low-melting sulphoshosphate glass with the following composition: between 4 and 10% Li2O, between 4 and 10% Na2O, between 4 and 8% K2O, between 1 and 2% CaO, between 35 and 37% ZnO, between 0 and 3% La2O3, between 19 and 22% P2O5 and between 19 and 22% SO3, in addition to a high-performance thermoplastic.

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