Patent · US Expired

Dry polishing of intraocular lenses

US6634931B2 · kind B2 · utility

3Cited by
16References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 11, 2000
Grant dateOct 21, 2003
Priority date
Expiry dateDec 11, 2020

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB24B31/003
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A process of dry polishing molded or lathe cut intraocular lenses to removing flash, sharp edges and/or surface irregularities therefrom. The process includes rotational tumbling of partially protected intraocular lenses in a dry polishing media. The process is suitable for single piece and multipiece intraocular lenses of varying composition.

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