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Ionic silicone hydrogels comprising pharmaceutical and/or neuticeutical components and having improved hydrolytic stability
US9101667B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9101667-B2 |
| Application number | US-201414335111-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 18, 2014 |
| Priority date | Sep 30, 2008 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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Abstract
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The present invention relates to ionic silicone hydrogel polymers displaying improved thermal stability. More specifically, the present invention relates to a polymer formed from reactive components comprising at least one silicone component and at least one ionic component comprising at least one anionic group. The polymers of the present invention display good thermal stability and desirable protein uptake.
First claim
Opening claim text (preview).
We claim: 1. A contact lens formed from reactive components comprising about 0.1 to about 10 mmol/100 gm reactive mixture of at least one anionic component comprising at least one carboxylic acid group and at least one silicone component selected from the group consisting of reactive polydialkylsiloxane selected from compounds of Formula I: where b=2 to 20; one terminal R 1 co…
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Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Physics · mapped topic
- C08F230/08Primary
Chemistry & Metallurgy · mapped topic
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- What does patent US9101667B2 cover?
- The present invention relates to ionic silicone hydrogel polymers displaying improved thermal stability. More specifically, the present invention relates to a polymer formed from reactive components comprising at least one silicone component and at least one ionic component comprising at least one anionic group. The polymers of the present invention display good thermal stability and desirable …
- Who is the assignee on this patent?
- Johnson & Johnson Vision Care
- What technology area does this patent fall under?
- Primary CPC classification C08F230/08. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Aug 11 2015 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).