Invention Grant
- Patent Title: Colored contact lenses
-
Application No.: US14979587Application Date: 2015-12-28
-
Publication No.: US09683098B2Publication Date: 2017-06-20
- Inventor: Fan-Dan Jan , Mei-Yun Chang
- Applicant: BenQ Materials Corporation
- Applicant Address: TW Taoyuan
- Assignee: BenQ Materials Corporation
- Current Assignee: BenQ Materials Corporation
- Current Assignee Address: TW Taoyuan
- Agency: CKC & Partners Co., Ltd.
- Priority: TW104129162A 20150903
- Main IPC: G02C7/04
- IPC: G02C7/04 ; C08L33/14 ; G02C7/02 ; C09D133/14 ; G02C7/10

Abstract:
The disclosure is related to colored contact lenses including a transparent protective layer, a colored layer and a lens layer, wherein the colored layer is between the transparent protective layer and the lens layer. A composition for forming the transparent protective layer includes at least one first hydrophilic monomer and a first thickener. A composition for forming the colored layer includes at least one second hydrophilic monomer, an adhesive resin, a second thickener and a colorant. At least one of the thickeners used for forming the transparent protective layer and the color layer is a modified polyvinylpyrrolidone.
Public/Granted literature
- US20170066917A1 COLORED CONTACT LENSES Public/Granted day:2017-03-09
Information query