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Patent Searching and Data


Title:
MANUFACTURING METHOD OF CONTACT LENS
Document Type and Number:
Japanese Patent JP2016133593
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a manufacturing method of a unique contact lens.SOLUTION: A manufacturing method of a contact lens according to the present invention includes one of the steps of: desorption processing for desorbing a polymer after polymerizing a polymerizable composition and being shaped in a lens form from a mold using a liquid; hydration treatment for performing a hydration treatment by adding a liquid to the polymer; elution treatment for performing an elution treatment by adding the liquid to the polymer; and cleaning processing for subjecting the polymer to a cleaning treatment with the liquid, and one or more steps from among the desorption processing step, the surface treatment processing step, the hydration treatment step, the elution treatment step, and the cleaning treatment step using a fine bubble solution having air bubbles of 50 μm or less as the liquid.SELECTED DRAWING: None

Inventors:
KOJIMA MASAHIRO
NAKADA KAZUHIKO
Application Number:
JP2015007579A
Publication Date:
July 25, 2016
Filing Date:
January 19, 2015
Export Citation:
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Assignee:
MENICON CO LTD
International Classes:
G02C7/04; C08J7/02
Domestic Patent References:
JP2010508087A2010-03-18
JPH1075971A1998-03-24
JP2013180956A2013-09-12
JP2013115357A2013-06-10
JP2011072903A2011-04-14
JP2003144877A2003-05-20
JPH0975050A1997-03-25
Foreign References:
WO2004063795A12004-07-29
EP1582910A12005-10-05
Attorney, Agent or Firm:
Aitec International Patent Office