Title:
ADDITION TYPE POLYMER AND SILICONE HYDROGEL LENS MATERIAL
Document Type and Number:
WIPO Patent Application WO/2023/209855
Kind Code:
A1
Abstract:
This addition type polymer is added to a silicone hydrogel to improve tensile break strength and toughness of the silicone hydrogel and contains a benzotriazole skeleton without containing polymerizable groups.
Inventors:
FUKUDA YOSHIMASA (JP)
HATTORI HIROSHI (JP)
HATTORI HIROSHI (JP)
Application Number:
PCT/JP2022/019045
Publication Date:
November 02, 2023
Filing Date:
April 27, 2022
Export Citation:
Assignee:
MENICON CO LTD (JP)
International Classes:
C08F220/34; C08F230/08; G02C7/04
Foreign References:
| JPH09235309A | 1997-09-09 | |||
| JP2016133593A | 2016-07-25 | |||
| JP2014534467A | 2014-12-18 |
Attorney, Agent or Firm:
ITEC INTERNATIONAL PATENT FIRM (JP)
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