Title:
PHOSPHINE-CONTAINING HYDROGEL CONTACT LENS
Document Type and Number:
Japanese Patent JP2017207760
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide: a hydrogel contact lens which is formed by reaction of a polymerizable composition and has a polymer lens body formed thereon; a batch of the hydrogel contact lens; a package of the hydrogel contact lens; and a method for producing the hydrogel contact lens from the polymerizable composition.SOLUTION: A hydrogel contact lens is derived from a polymerizable composition containing at least one hydrophilic monomer and at least one phosphine-containing component. A hydrogel of the contact lens is a silicon hydrogel or a non-silicone hydrogel. The polymerizable composition containing the phosphine-containing component is used for forming a hydrogel contact lens which is obtained by being cured in both inactive and air atmospheres, and has improved contour holding power and improved discoloration resistivity. A method produces a batch of a hydrogel contact lens and a hydrogel contact lens.SELECTED DRAWING: Figure 3
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Inventors:
WANG GUIGUI
ZHANG YUN
LIU YUWEN
YE HONG
CHARLIE CHEN
PETER ZHU
ZHANG YUN
LIU YUWEN
YE HONG
CHARLIE CHEN
PETER ZHU
Application Number:
JP2017120670A
Publication Date:
November 24, 2017
Filing Date:
June 20, 2017
Export Citation:
Assignee:
COOPERVISION INT HOLDING CO LP
International Classes:
G02C7/04; B29C39/24; C08F226/02
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Foreign References:
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Attorney, Agent or Firm:
Shinichiro Tanaka
Disciple Maru Ken
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Hironobu Hattori
Disciple Maru Ken
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Hironobu Hattori
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