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1971-12-20 |
1973-08-27 |
Reinhall Rolf |
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1974-09-20 |
1976-06-29 |
General Signal Corporation |
Multi-stage bleaching of pulp using successively lower power levels
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1975-03-14 |
1976-11-01 |
Kamyr Ab |
Sett och anordning for fordelning och inblandning av gas och/eller vetska i massasuspensioner av hog koncentration.
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1989-02-15 |
1993-02-23 |
Union Camp Patent Holding, Inc. |
Process for high consistency oxygen delignification followed by ozone relignification
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1989-02-15 |
1993-05-18 |
Union Camp Patent Holding, Inc. |
Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification
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1990-10-26 |
1993-01-26 |
Union Camp Patent Holdings, Inc. |
Reactor for bleaching high consistency pulp with ozone
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1990-10-26 |
1995-12-05 |
Union Camp Patent Holding, Inc. |
Reactor for bleaching high consistency pulp with ozone
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1989-02-15 |
1995-04-25 |
Union Camp Patent Holding, Inc. |
Process for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zone
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1989-08-16 |
1992-10-12 |
Andritz Ag Maschf |
Verfahren zur zerkleinerung von materialien und anlage zu dessen durchfuehrung
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1990-05-17 |
1995-08-15 |
Union Camp Patent Holding, Inc. |
Method for chelation of pulp prior to ozone delignification
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1990-05-17 |
1992-11-17 |
Union Camp Patent Holding, Inc. |
Environmentally improved process for bleaching lignocellulosic materials with ozone
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1990-05-17 |
1992-11-17 |
Union Camp Patent Holding, Inc. |
Environmentally improved process for bleaching lignocellulosic materials with ozone
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1990-10-26 |
1996-05-28 |
Union Camp Patent Holding, Inc. |
Apparatus for bleaching high consistency pulp with ozone
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1990-10-26 |
1992-12-29 |
Union Camp Patent Holdings, Inc. |
Method of bleaching high consistency pulp with ozone
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1991-05-24 |
1993-12-23 |
Union Camp Patent Holding |
Two-stage pulp bleaching reactor: pulp mixed with ozone in first stage.
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1991-08-23 |
1998-05-07 |
Olin Corp |
Verfahren zur gasphase-delignifizierung von zellstoff
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1992-01-22 |
1993-08-18 |
Olin Corp |
Gas phase delignification of lignocellulosic material.
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1992-10-01 |
1996-03-12 |
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高コンシステンシーリグノセルロースパルプの改良された漂白
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1993-09-21 |
1998-09-22 |
Beloit Technologies, Inc. |
Apparatus for producing small particles from high consistency wood pulp
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1993-10-01 |
1996-09-10 |
Union Camp Patent Holdings, Inc. |
Reduction of salt scale precipitation by control of process stream Ph and salt concentration
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1993-10-13 |
1995-06-12 |
Kvaerner Pulping Tech |
Förfarande och anordning för inmixning av fluid i en massasuspension
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1994-11-07 |
1997-05-20 |
Beloit Technologies, Inc. |
Pulp fluffing gas contactor
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1995-03-03 |
1996-10-08 |
Beloit Technologies, Inc. |
Variable angle powered cyclone
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1995-07-26 |
1999-08-31 |
Beloit Technologies, Inc. |
Method for bleaching high consistency pulp with a gaseous bleaching reagent
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1997-05-16 |
2000-06-20 |
Lariviere; Christopher J. |
Apparatus for fluffing and contacting high consistancy wood pulp with a gaseous bleaching reagent
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2000-05-26 |
2003-01-22 |
Voith Paper Patent GmbH |
Verfahren und Vorrichtung zur Behandlung einer Faserstoffsuspension
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2007-05-22 |
2012-02-08 |
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