Silicone-containing monomer
US9086527B2 · kind B2 · utility
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3References
15Claims
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Inventors
Key dates
| Filing date | Dec 17, 2013 |
| Grant date | Jul 21, 2015 |
| Priority date | — |
| Expiry date | Dec 17, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G77/26
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Silicone-containing monomer of formula (I);wherein said silicone-containing monomer comprises a silicone-containing moiety and an oxazolidinone moiety and wherein R is a silicone-containing moiety, and R1 may be an H,wherein A represents the oxazolidinone ring of the oxazolidinone moiety and R2 is a divalent C1-25 alkylene or C6-30 arylalkylene. The monomer is used for the preparation of a composition for use in manufacturing of ophthalmic lenses potentially with anti-infective properties. Also, methods of making the present monomers are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.