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Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US39430345 Apr 19749 Mar 1976Lennart Wallen & Co ABDewatering and homogenizing apparatus
US40722748 Feb 19777 Feb 1978Yhtyneet Paperitehtaat Osakeyhtio JylhavaaraProcedure and apparatus for preparing hot groundwood
US448626714 Nov 19834 Dec 1984Mead CorporationChemithermomechanical pulping process employing separate alkali and sulfite treatments
US473116019 Mar 198615 Mar 1988Kamyr, Inc.Drainage characteristics of mechanical pulp
US478942928 May 19876 Dec 1988Sunds Defibrator AktiebolagMethod of making mechanical pulp
US48697831 Jul 198826 Sep 1989The Mead CorporationHigh-yield chemical pulping
US497681928 Apr 198811 Dec 1990Potlatch CorporationPulp treatment methods
US50890893 Nov 198918 Feb 1992Bear Island Paper CompanySystem for sulfonating mechanical pulp fibers
US540549924 Jun 199311 Apr 1995The Procter & Gamble CompanyCellulose pulps having improved softness potential
US55826859 Aug 199410 Dec 1996The Procter & Gamble CompanyMethod for producing a cellulose pulp of selected fiber length and coarseness by a two-stage fractionation
US567921813 Mar 199621 Oct 1997The Procter & Gamble CompanyTissue paper containing chemically softened coarse cellulose fibers