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Method for unclogging drainage pipes

  • US 4,610,800 A
  • Filed: 01/25/1985
  • Issued: 09/09/1986
  • Est. Priority Date: 01/25/1985
  • Status: Expired due to Fees
First Claim
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1. A method for unclogging drainage pipes blocked by cellulosic paper materials which comprises contacting the paper with a thickened fluid composition comprising from about 5% to about 20% by weight of a cellulase enzyme and from about 0.1% to about 1.0% of a non-cellulosic, water-soluble gum at a pH of 4.5 to 8.5, the cellulase enzyme being present in an amount sufficient to digest the cellulose in the paper.

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