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07/06/06 - USPTO Class 162 |  86 views | #20060144533 | Prev - Next | About this Page  162 rss/xml feed  monitor keywords

Method for the production of improved pulp

USPTO Application #: 20060144533
Title: Method for the production of improved pulp
Abstract: Compositions and method for improving properties of pulp produced or reducing the digester cycle time in alkaline chemical pulping processes in which an effective amount of at least one selected phosphonate or carboxylate compound or mixtures thereof is admixed with the alkaline aqueous mixture in the digester of the chemical pulping process. The compositions and method are especially well suited for use in the Kraft pulping process. (end of abstract)



Agent: Blackwell Sanders Peper Martin LLP - St. Louis, MO, US
Inventors: Jacob Owen Thompson, Sheldon Phillip Verrett, Wei Li, Ulrike Waltraud Tschimer
USPTO Applicaton #: 20060144533 - Class: 162072000 (USPTO)

Related Patent Categories: Paper Making And Fiber Liberation, Processes Of Chemical Liberation, Recovery Or Purification Of Natural Cellulose Or Fibrous Material, Treatment With Particular Chemical, Organic

Method for the production of improved pulp description/claims


The Patent Description & Claims data below is from USPTO Patent Application 20060144533, Method for the production of improved pulp.

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Mercerization process of pulp to produce high porous material
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Bleaching of cellulosic fibre material with peroxide using polymers as a stabiliser
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