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08-26-2009

PLASTIC LENS FOR SPECTACLES, PROCESS FOR PRODUCING THE SAME, AND COATING LIQUID APPLICATOR FOR USE IN THE PROCESS

The present invention provides a plastic lens for spectacles wherein a transparent hardened coating layer containing a UV absorbing agent is formed on a peripheral edge of the plastic lens which has been subjected to edging or on a machined surface of the plastic lens which has been subjected to machining for attachment to a frame, a process for producing the plastic lens for spectacles, and an applicator suited for use in such a process. Discoloration of the peripheral edge of the edged plastic lens for spectacles or the machined surface of the plastic lens machined for attachment to a frame is prevented.

Document: EP2093605A1
Click here for the full patent text at DEPATISnet [PDF]
Published patent application
Disclosure date: 10-02-2007
Publication date: 08-26-2009
Applicant: HOYA CORP, JP
Inventor: KOUSAKA MASAHISA, JP


© European Patent Office. This information was obtained from the espacenet of the European Patent Office. There is no guarantee of its correctness or curency. For additional information, please use the research at espacenet. It is possible to determine the current legal and procedural status of patents and utility patents/models at http://worldwide.espacenet.com/ kfree of charge.

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