Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Treatment with particular chemical
Reexamination Certificate
2006-08-29
2006-08-29
Fortuna, José A. (Department: 1731)
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
Treatment with particular chemical
C162S030110
Reexamination Certificate
active
07097739
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.
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Li Wei
Thompson Jacob Owen
Tschimer Ulrike Waltraud
Verrett Sheldon Phillip
Blackwell Sanders Peper Martin LLP
Fortuna Jos'e A.
Solutia Inc.
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