Invention Publication
- Patent Title: SPECTACLE LENS ANTI-FOGGING COMPOSITION AND SPECTACLE LENS
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Application No.: US18284137Application Date: 2022-03-31
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Publication No.: US20240184019A1Publication Date: 2024-06-06
- Inventor: Yuji HOSHI , Kenji KOJIMA
- Applicant: HOYA LENS THAILAND LTD.
- Applicant Address: TH Pathumthani
- Assignee: HOYA LENS THAILAND LTD.
- Current Assignee: HOYA LENS THAILAND LTD.
- Current Assignee Address: TH Pathumthani
- Priority: JP 21061567 2021.03.31
- International Application: PCT/JP2022/016495 2022.03.31
- Date entered country: 2023-09-26
- Main IPC: G02B1/18
- IPC: G02B1/18 ; C08G18/40 ; C08G18/42 ; C08G18/62
Abstract:
A composition for an antifogging film of a spectacle lens, wherein the composition has a viscosity at 15° C. of 20 mPa·s or more and 80 mPa·s or less, and a solid content of 10 mass % or more and 25 mass % or less.
Public/Granted literature
- US2186715A Knife sharpener Public/Granted day:1940-01-09
Information query
