公开(公告)号：US12031110B2

公开(公告)日：2024-07-09

申请号：US17252862

申请日：2019-06-18

Applicant: ESSILOR INTERNATIONAL

Inventor： Aluysio Rougemont

IPC: C11D3/00 ,  A61L12/00 ,  A61L12/06 ,  C11D1/66 ,  C11D3/04 ,  C11D3/20

CPC classification number: C11D3/0078 ,  A61L12/00 ,  A61L12/06 ,  C11D1/662 ,  C11D3/044 ,  C11D3/2068 ,  C11D2111/44 ,  C11D2111/46

Abstract: Systems and methods for cleaning a hard-coated ophthalmic lens and stripping the hard-coating of the hard coated ophthalmic lens in a single pass process are disclosed. The hard-coated ophthalmic lens is sequentially treated with a cleaning solution, an alkaline solution, and a stripping solution. Ultrasonic power is applied to the solutions and the ophthalmic lens during the process. The resulted ophthalmic lens has substantially no sign of chemical attack or residual hard coating or varnishes thereon.