Featured patents

Continuous Digestion of Chip Blends Containing a Western Red Cedar Chip Furnish
US 08524037 B2, Sept. 3, 2013, Ranbir Heer et al. / Canfor Pulp and Paper Sales Ltd. (Vancouver, B.C., CA)
A continuous process for delignifying lignocellulosic material,…

Method and Arrangement for Adding Treatment Liquors to Cellulose Raw Material in a Continuous Process Using Down Flow Vessels
US 08801898 B2, Aug. 12, 2014, Peter Henricsson et al. / Valmet AB (Sundsvall, SE)
A method for adding a hot treatment liquor and steam to un-steamed comminuted…

Method for Preventing Clogging in a Strainer Construction for a Continuous Digester
US 08449717 B2, May 28, 2013, Jonas Saetherasen / Metso Paper Sweden AB (Sundsvall, SE)
A method for preventing clogging in a strainer construction for a continuous…

Method, System and Withdrawal Screen Section for Impregnating Chips
US 08647469 B2, Feb. 11, 2014, Daniel Trolin et al. / Metso Paper Sweden AB (Sundsvall, SE)
A method for the impregnation and steaming of chips during the manufacture…

Patentorg has 4 documents under Continuous Chemical Treatment or Continuous Charging or Discharging Patents.

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