Patent · US Expired

Plastic optical components

US5780159A · kind A · utility

3Cited by
12References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 30, 1996
Grant dateJul 14, 1998
Priority date
Expiry dateJul 30, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31547
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention concerns optical elements made from polycyanurate resins, wh exhibit a refractive index, at 633 nm, in the range from 1.45 to 1.70 and an optical absorption, at 1.3 or 1.55 .mu.m, in the range from 0.1 to 1.0 dB/cm.

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