×

Glycopyrrolate salts

DC
  • US 10,543,192 B2
  • Filed: 06/01/2018
  • Issued: 01/28/2020
  • Est. Priority Date: 02/28/2013
  • Status: Active Grant
First Claim
Patent Images

1. A pharmaceutically acceptable solution comprising:

  • a racemic mixture of (R)-3-((S)-2-cyclopentyl-2-hydroxy-2-phenylacetoxy)-1,1-dimethylpyrrolidinium 4-methylbenzenesulfonate and (S)-3-((R)-2-cyclopentyl-2-hydroxy-2-phenylacetoxy)-1,1-dimethylpyrrolidinium 4-methylbenzenesulfonate, andat least one pharmaceutically acceptable additive;

    between about 57 and about 59.5% by weight dehydrated ethanol,wherein the weight percent of said racemic mixture of (R)-3-((S)-2-cyclopentyl-2-hydroxy-2-phenylacetoxy)-1,1-dimethylpyrrolidinium 4-methylbenzenesulfonate and (S)-3-((R)-2-cyclopentyl-2-hydroxy-2-phenylacetoxy)-1,1-dimethylpyrrolidinium 4-methylbenzenesulfonate is between about 1% and about 6%; and

    the pH of said pharmaceutically acceptable solution is between 3.5 and 5.5.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×