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BLEACHING OF LIGNIN-CONTAINING CELLULOSE MATERIALS SUCH AS PULP

  • US 3,661,699 A
  • Filed: 12/21/1970
  • Issued: 05/09/1972
  • Est. Priority Date: 12/21/1970
  • Status: Expired due to Term
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2. A process according to claim 1 wherein said aqueous medium has a temperature between about 75* and 150* C.

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