Article formed into sheet, method for producing the same and...

Stock material or miscellaneous articles – Composite – Of carbohydrate

Reexamination Certificate

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C442S292000, C162S218000

Reexamination Certificate

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08084139

ABSTRACT:
A molded article containing a powder and a fibrous material which is obtained by a wet papermaking process. The fibrous material has a fiber length frequency distribution such that 30% to 90% of the fibrous material have a fiber length of 0.4 to 2.0 mm and that 9% to 50% of the fibrous material has a fiber length of 0.4 mm or less. The molded article contains at least 50% by weight of the powder.

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patent: 7749357 (2010-07-01), Kumamoto et al.
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patent: 2004 041135 (2004-05-01), None
Teruo Watanabe, “Operation Experiences Adapted the Polyionic Complex System to PM's Wet End to Stabilize Retention”, Japan Pulp Paper, vol. 52, No. 12, Dec. 1998, pp. 1717-1725 (with English abstract and partial English translation).
U.S. Appl. No. 12/063,476, filed Feb. 11, 2008, Ishikawa, et al.
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Notice of Rejection issued Jan. 18, 2011, in Japanese Patent Application No. 2004-131398 (with English translation).
European Office Action issued Sep. 1, 2011, in European Patent Application No. 05 736 963.3

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