Patent · US Active

Polarizing, photochromic devices and methods of making the same

US7847998B2 · kind B2 · utility

4Cited by
99References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 31, 2006
Grant dateDec 7, 2010
Priority date—
Expiry dateJul 13, 2029

Classification

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

Abstract

Provided is an optical element including:

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