Paper making and fiber liberation – Processes and products – Non-fiber additive
Reexamination Certificate
2007-01-23
2007-01-23
Fortuna, José A. (Department: 1731)
Paper making and fiber liberation
Processes and products
Non-fiber additive
C162S157600, C162S123000, C162S146000, C162S101000, C162S009000
Reexamination Certificate
active
11067857
ABSTRACT:
Methods for forming an absorbent fibrous composite containing absorbent material dispersed in bands through the composite and along the composite's length are disclosed. The methods generally include depositing a fibrous slurry on a foraminous support to form a web and depositing or injecting absorbent material into the web across its width to provide a web having absorbent material in bands along the composite's length. Drying the web provides a fluted absorbent composite. In one embodiment, the method is a wetlaid method and in another embodiment, the method is a foam-forming method. Preferably, the methods are twin-wire forming methods.
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Bolstad Clifford R.
Bunker Daniel T.
Graef Peter A.
Howard Fred B.
Miller Charles E.
Fortuna Jos'e A.
Hovey & Williams, LLP
National Institute for Strategic Technology Acquisistion and Com
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