Title:
SILOXANE MONOMER, CONTACT LENS COMPOSITION AND CONTACT LENS
Document Type and Number:
WIPO Patent Application WO/2024/065567
Kind Code:
A1
Abstract:
A siloxane monomer, a contact lens composition and a contact lens. The siloxane monomer has a chemical structural formula as represented by formula (I) below, wherein R1 is H or CH3, R2 is non-halogen-substituted NHR3, N(R3)2, OR3, SR3 or (aa), R3 is (aa), R4 is H or an alkyl group having a carbon chain length of C1 to C6, where n is not greater than 6, x ≥ 0, y ≥ 1, and z ≥ 0. The hydrophilicity of the surface of a contact lens is improved by introducing the siloxane monomer with the above special hydrophilic structure and matching the siloxane monomer with a contact lens composition, and a hydrophilic coating treatment may not be required for the surface.
Inventors:
LI TING-YU (CN)
HUANG MIN-YUNG (CN)
HUANG MIN-YUNG (CN)
Application Number:
PCT/CN2022/122963
Publication Date:
April 04, 2024
Filing Date:
September 30, 2022
Export Citation:
Assignee:
PEGAVISION CORP (CN)
International Classes:
C08G77/04; G02C7/04
Domestic Patent References:
| WO2013142062A2 | 2013-09-26 |
Foreign References:
| CN103620480A | 2014-03-05 | |||
| CN108948282A | 2018-12-07 | |||
| TW202233704A | 2022-09-01 | |||
| CA2873437A1 | 2016-06-05 | |||
| US9140908B2 | 2015-09-22 | |||
| US9056879B2 | 2015-06-16 |
Attorney, Agent or Firm:
LUNG TIN INTELLECTUAL PROPERTY AGENT LTD. (CN)
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