4. Paper making and fiber liberation
  5. Processes of chemical liberation, recovery or purification...
  6. Waste paper or textile waste

Philip Gerdon Sweeny

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Feeder and method for preparing aqueous solutions containing...

Liquid purification or separation – Processes – Including controlling process in response to a sensed condition
Reexamination Certificate

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Method of bleaching recycled papers with hydrogen peroxide...

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

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Partially halogenated hydantoins in papermaking applications

Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – With halogen – nitrogen – oxygen – or phosphorus containing...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2526656

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