Patent · US Active

Layered, composite lens and method of construction

US11383117B2 · kind B2 · utility

0Cited by
3References
33Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 2, 2018
Grant dateJul 12, 2022
Priority date—
Expiry dateApr 2, 2038

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB32B2571/00
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A protective lens is provided having a first layer, a second layer and a third layer. The first, second and third layers each comprises a first surface and a second surface. The first layer comprises a substantially non-reactive material. The first surface of the second layer is positioned adjacent to the second surface of the first layer. The second layer comprises a substantially fire resistant material. The first surface of the third layer is positioned adjacent to the second surface of the second layer. The third layer comprises a substantially hydrophobic material.

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