LandOfFree - US Patents - Listing for Paper making and fiber liberation

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Delignification of lignocellulosic material with an alkaline pul

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Gas – vapor or mist contact

Patent

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Delignification of lignocellulosic materials with 2-imidazolidin

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Treatment with particular chemical

Patent

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Delignification of lignocellulosic materials with monoperoxysulf

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Treatment with particular chemical

Patent

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Delignification of lignocellulosic materials with peroxymonophos

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Treatment with particular chemical

Patent

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Delignification of wood pulp by vanadium-substituted polyoxometa

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Treatment with particular chemical

Patent

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Dendrimeric polymers for the production of paper and board

Paper making and fiber liberation – Processes and products – Non-fiber additive

Reexamination Certificate

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Densification and heat treatment of paperboard produced from SCM

Paper making and fiber liberation – Processes and products – Running or indefinite length work forming and/or treating...

Patent

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Densified tactile imaging paper

Paper making and fiber liberation – Processes and products – Multi-layer waterlaid webs or sheets

Patent

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Deposit control through the use of oligomeric phosphonic acid de

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Treatment with particular chemical

Patent

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Deposition control in pulp and papermaking systems using a compo

Paper making and fiber liberation – Processes and products – Non-fiber additive

Patent

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Deresination method of wood pulp

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Treatment with particular chemical

Patent

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Derivatized malto-oligosaccharides, methods for trash...

Paper making and fiber liberation – Processes and products – Non-fiber additive

Reexamination Certificate

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Desilication in alkaline pulp processes

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

Patent

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Detackification agent for adhesives found in paper fiber furnish

Paper making and fiber liberation – Processes and products – Non-fiber additive

Patent

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Detackification of adhesive materials contained in secondary fib

Paper making and fiber liberation – Processes and products – Conditioning – preparing or repairing of apparatus

Patent

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Detackification of adhesive materials contained in secondary fib

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

Patent

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Detackification of adhesive materials contained in secondary fib

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

Patent

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Detackification of adhesive materials contained in secondary fib

Paper making and fiber liberation – Processes and products – Conditioning – preparing or repairing of apparatus

Patent

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Determination and control of effective alkali in kraft liquors b

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With testing – sampling or analyzing

Patent

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Determination of contaminant particles in an aqueous pulp

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With testing – sampling or analyzing

Reexamination Certificate

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