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US Patent 8835525 Chain-extended polysiloxane crosslinkers with dangling hydrophilic polymer chains

Patent 8835525 was granted and assigned to Novartis on September, 2014 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Novartis

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

8835525

Date of Patent

September 16, 2014

Patent Application Number

13253177

Date Filed

October 5, 2011

Patent Citations Received

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US Patent 12116442 Method for producing silicone hydrogel contact lenses

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US Patent 11999908 Method for making photochromic contact lenses

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US Patent 12072556 Contact lenses with surfaces having different softness

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US Patent 12111443 Method for making photochromic contact lenses

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US Patent 11833771 Method for making photochromic contact lenses

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US Patent 11867874 Insert materials with high oxygen permeability and high refractive index

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US Patent 11886045 Method for making photochromic contact lenses

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US Patent 11926689 Hydrophilized polydiorganosiloxane vinylic crosslinkers and uses thereof

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Patent Primary Examiner

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Richard Schnizer

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