The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 25, 2025
Filed:
Oct. 07, 2021
Coopervision International Limited, Fareham, GB;
Ian Bruce, Southampton, GB;
Robert Oag, Southampton, GB;
COOPERVISION INTERNATIONAL LIMITED, Fareham, GB;
Abstract
The present disclosure relates to a membrane () suitable for forming at least part of a contact lens () by bonding to a bulk lens portion (). The membrane has a central axis (). The membrane comprises: a first face (); a second face (); and a peripheral edge (). In a cross-sectional plane passing through and parallel to the central axis of the membrane, the thickness () of the membrane is at least 10 microns at a distance of 60 microns from the peripheral edge. The present disclosure also relates to a contact lens (). The contact lens comprises a membrane (), a bulk lens portion (), and a bonding interface () between at least part of the membrane and at least part of the bulk lens portion. The present disclosure also relates to a method of manufacturing a contact lens.