Patent · US Expired

Object which has optical layers

US6629763B2 · kind B2 · utility

0Cited by
14References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 1, 2001
Grant dateOct 7, 2003
Priority date
Expiry dateJun 1, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2323/02
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A process for producing an object which has optical layers comprising the steps of applying optical layers to a substrate of plastic material wherein the optical layers are applied by means of a chemical plasma-impulse vaporization process (PICVD).

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