Invention Grant
- Patent Title: Composition for manufacturing contact lenses
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Application No.: US15719592Application Date: 2017-09-29
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Publication No.: US10795057B2Publication Date: 2020-10-06
- Inventor: Fan-Dan Jan , Pei-Yi Liu
- 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., LLC
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@748e2e15
- Main IPC: G02B1/04
- IPC: G02B1/04 ; B29D11/00 ; C08L83/08 ; C08L83/12 ; C08G77/54 ; B29K83/00 ; B29K105/00 ; C08G77/46 ; C08G77/388 ; C08G77/20 ; C08G77/26 ; C08G77/38

Abstract:
The invention provides a material for contact lenses, including a first siloxane macromer shown as formula (I): in formula (I), R1, R2 and R3 are C1-C4 alkyl groups, R4 is C1-C6 alkyl group, R5 is C1-C4 alkylene group, R6 is —OR7O— or —NH—, R7 and R8 are C1-C4 alkylene groups and m is an integer of about 1-2, n is an integer of about 4-80; a second siloxane macromer shown as formula (II): in formula (II), R9, R10 and R11 are C1-C4 alkyl groups, R12, R13 and R15 are C1-C3 alkylene group, R14 is a residue obtained by removing NCO group from an aliphatic or aromatic diisocyanate, and o is an integer of about 4-80, p is an integer of about 0-1; q is an integer of about 1-20; at least one hydrophilic monomer and an initiator.
Public/Granted literature
- US20180024273A1 COMPOSITION FOR MANUFACTURING CONTACT LENSES Public/Granted day:2018-01-25
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