×

Chlorhexidine gluconate-containing, stabilized aqueous pharmaceutical preparations

  • US 5,908,865 A
  • Filed: 05/13/1997
  • Issued: 06/01/1999
  • Est. Priority Date: 05/13/1996
  • Status: Expired due to Fees
First Claim
Patent Images

1. An aqueous pharmaceutical composition comprising an aqueous solution of stably maintained chlorhexidine gluconate, chloride ion and at least one pharmaceutically acceptable polycarboxylic acid of formula I:

  • 
    
    space="preserve" listing-type="equation">HOOC--(CR.sub.i1 R.sub.i2)n--COOH (I)wherein n denotes an integer of 1 to 3;

    i denotes a positive integer not more than n;

    R11, and R12, when n=1, independently from each other, denote H, --OH or --COOH;

    each of R11, R12, R21 and R22, when n=2, denotes H, --OH or --COOH,with the proviso that not all of them denote H simultaneously; and

    each of R11, R12, R21, R22, R31 and R32, when n=3, denotes H, --OH or --COOH, with the proviso that two adjacent carbons in no case contain four hydrogen atoms in total;

    or a pharmaceutically acceptable salt thereof.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×