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Use of polymers containing polyvinylamine and polyvinylamide in order to prevent smell in dishwashers

  • US 7,867,971 B2
  • Filed: 09/09/2004
  • Issued: 01/11/2011
  • Est. Priority Date: 09/15/2003
  • Status: Expired due to Fees
First Claim
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1. A composition comprising a material selected from the group consisting of polyvinyl alcohol prepared by incomplete hydrolysis of polyvinyl acetate comprising a degree of hydrolysis of from 88 to 98%, gelatin, polyvinylpyrrolidone, polyethylene oxide, cellulose, starch, and mixtures thereof;

  • and a neutral polymer which comprises(a) units of the formula I

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