Patent · US Active

Visible light absorbers for ophthalmic lens materials

US8207244B2 · kind B2 · utility

15Cited by
19References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 2, 2010
Grant dateJun 26, 2012
Priority date—
Expiry dateAug 6, 2030

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02C7/108
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Azo compounds that block visible light are disclosed. These light absorbers are particularly suitable for use in intraocular lens materials.

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