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Urea sulfate and urea hydrochloride in paper and pulp...

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

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Use of activated carbon to recover and separate chemicals produc

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Including recovery of organic by-product
Patent

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Use of additives in pulp bleaching processes to preserve pulp st

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

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Use of additives to breakdown and stabilize wax during fiber rec

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

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Use of alkyleneamines for enhancing lime mud dewatering

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

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Use of anionic surfactant/dispersant blends for the deinking of

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

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Use of chlorous acid for bleaching wood pulp

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

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Use of compounds containing polyether chains prepared from epoxi

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

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Use of ethyleneamine for washing pulp containing lignin

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

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Use of monocomponent cellulase for removing inks, coatings, and

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

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Use of particulate material derived from mammalian hair in...

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Animal fibers
Reexamination Certificate

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Use of polyacrylic acid in pulp bleaching processes to preserve

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

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Use of polyalkylene oxides for the separation of cellulose fibre

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

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Use of polymers in the recycled fiber washing/deinking process

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

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Use of polysulfide in modified cooking

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

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Use of surfactants having an HLB less than 10 in the deinking of

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

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Use of surfactants having an HLB less than 10 in the deinking of

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

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Use of thinnings and other low specific gravity wood for...

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

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Use of thiourea dioxide in pulp bleaching processes to preserve

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

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Used paper diaper processing method and used paper diaper...

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

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