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Apparatus and method for washing pulps

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With washing
Reexamination Certificate

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Apparatus and method for wood pulp digester

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Continuous chemical treatment or continuous charging or...
Patent

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Apparatus and process for removing fine impurities from a...

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Waste paper or textile waste
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Apparatus and process for the delignification of cellulose pulp

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Continuous chemical treatment or continuous charging or...
Patent

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Apparatus for chemically loading fibers in a fiber suspension

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With chemical or physical modification of liberated fiber
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Apparatus for cleaning a porous cover

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With cleaning – preserving or conditioning of apparatus
Patent

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Apparatus for gasification of spent liquor

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With regeneration – reclamation – reuse – recycling or...
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Apparatus for loading fibers in a fiber suspension with...

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With chemical or physical modification of liberated fiber
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Apparatus for making carboxylated pulp fibers

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With chemical or physical modification of liberated fiber
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Apparatus for minimizing effluent discharges and recovering chem

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With regeneration – reclamation – reuse – recycling or...
Patent

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Apparatus for thickening pulp and paper stock

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With squeezing – compression – rubbing – kneading
Patent

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Apparatus for treating pulp in a pressurized state

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With classifying – separating or screening of pulp
Patent

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Apparatus, process and pressure reactor for the treatment of...

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Defibration by projection or explosion
Reexamination Certificate

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Aqueous dispersions containing alkaline earth soaps and/or alkal

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Waste paper or textile waste
Patent

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Aqueous dispersions containing carboxylic acids and/or resinic a

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Waste paper or textile waste
Patent

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Arrangement for and a method of treating pulp, and a method...

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With agitation or forced circulation
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Arrangement for discharging pulp from a pulp treatment apparatus

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Continuous chemical treatment or continuous charging or...
Patent

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Arrangement for removing thread-like impurities from a defiberiz

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Waste paper or textile waste
Patent

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Arrangement in soda recovery boiler for removing melts for...

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With regeneration – reclamation – reuse – recycling or...
Reexamination Certificate

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Asbestos dispersions

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Mineral fibers
Patent

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