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Lens solution, contact lens, and production method therefor

  • US 10,640,732 B2
  • Filed: 02/06/2015
  • Issued: 05/05/2020
  • Est. Priority Date: 02/06/2014
  • Status: Active Grant
First Claim
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1. A solution comprising a polymer having 2.5% to 95% by mass of the following repeating unit (A) and 2.5% to 95% by mass of the following repeating unit (B):

  • (A) a hydrophilic repeating unit; and

    (B) a repeating unit having a polyoxyalkylene group in a side chain and having the end of the side chain formed from an alkyl group having 5 to 30 carbon atoms, an alkanoyl group having 5 to 30 carbon atoms, or an aryl group,wherein the repeating unit (A) comprises a repeating unit (A-3) represented by the following formula (4) and a betaine-containing repeating unit (A-6) represented by the following formula (7);

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