High refractive index, high Abbe compositions
US-12071497-B2 · Aug 27, 2024 · US
Actinically-crosslinkable amphiphilic prepolymers
US9500775B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9500775-B2 |
| Application number | US-201514840169-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 31, 2015 |
| Priority date | Dec 14, 2012 |
| Publication date | Nov 22, 2016 |
| Grant date | Nov 22, 2016 |
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Abstract
Official abstract text for this publication.
The invention provide a class of actinically-crosslinkable amphiphilic prepolymers which comprise at least one polysiloxane segment, at least one polyoxazoline segment, and two terminal ene groups. The present invention is also related to a medical device comprising a silicone hydrogel material obtained from step-growth polymerization of a polymerizable material comprising a prepolymer of the invention and to a method for producing contact lenses from a prepolymer of the invention.
First claim
Opening claim text (preview).
What is claimed is: 1. A medical device, comprising a silicone hydrogel material that is obtained by actinically crosslinking a polymerizable material which comprises: (a) an actinically crosslinkable prepolymer of formula (1) in which B 1 , B 2 , B 3 , B 4 , and B 5 independent of one another are a linear hydrophilic polymer chain of…
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- G02B1/043Primary
Physics · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
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Frequently asked questions
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- What does patent US9500775B2 cover?
- The invention provide a class of actinically-crosslinkable amphiphilic prepolymers which comprise at least one polysiloxane segment, at least one polyoxazoline segment, and two terminal ene groups. The present invention is also related to a medical device comprising a silicone hydrogel material obtained from step-growth polymerization of a polymerizable material comprising a prepolymer of the i…
- Who is the assignee on this patent?
- Novartis Ag
- What technology area does this patent fall under?
- Primary CPC classification G02B1/043. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Nov 22 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).