Patent · US Active

Polarizing, photochromic devices and methods of making the same

US7349137B2 · kind B2 · utility

4Cited by
100References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 31, 2006
Grant dateMar 25, 2008
Priority date—
Expiry dateOct 31, 2026

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24934
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An optical element including:

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