WO2009038730A1 - Absorbent sheet incorporating regenerated cellulose microfiber - Google Patents

Absorbent sheet incorporating regenerated cellulose microfiber Download PDF

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Publication number
WO2009038730A1
WO2009038730A1 PCT/US2008/010833 US2008010833W WO2009038730A1 WO 2009038730 A1 WO2009038730 A1 WO 2009038730A1 US 2008010833 W US2008010833 W US 2008010833W WO 2009038730 A1 WO2009038730 A1 WO 2009038730A1
Authority
WO
WIPO (PCT)
Prior art keywords
cellulose
salts
absorbent
sheet
microfiber
Prior art date
Application number
PCT/US2008/010833
Other languages
English (en)
French (fr)
Inventor
Daniel W. Sumnicht
Joseph H. Miller
Original Assignee
Georgia-Pacific Consumer Products Lp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Georgia-Pacific Consumer Products Lp filed Critical Georgia-Pacific Consumer Products Lp
Priority to CA2707392A priority Critical patent/CA2707392C/en
Priority to EP08831977.7A priority patent/EP2191066B1/en
Publication of WO2009038730A1 publication Critical patent/WO2009038730A1/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/02—Synthetic cellulose fibres
    • D21H13/08—Synthetic cellulose fibres from regenerated cellulose
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
    • D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/002—Tissue paper; Absorbent paper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249962—Void-containing component has a continuous matrix of fibers only [e.g., porous paper, etc.]
    • Y10T428/249964—Fibers of defined composition
    • Y10T428/249965—Cellulosic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/2964—Artificial fiber or filament
    • Y10T428/2965—Cellulosic
PCT/US2008/010833 2007-09-19 2008-09-18 Absorbent sheet incorporating regenerated cellulose microfiber WO2009038730A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA2707392A CA2707392C (en) 2007-09-19 2008-09-18 Absorbent sheet incorporating regenerated cellulose microfiber
EP08831977.7A EP2191066B1 (en) 2007-09-19 2008-09-18 Absorbent sheet incorporating regenerated cellulose microfiber

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US99434407P 2007-09-19 2007-09-19
US60/994,344 2007-09-19
US12/284,147 US8187421B2 (en) 2006-03-21 2008-09-17 Absorbent sheet incorporating regenerated cellulose microfiber
US12/284,147 2008-09-17

Publications (1)

Publication Number Publication Date
WO2009038730A1 true WO2009038730A1 (en) 2009-03-26

Family

ID=40468213

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/010833 WO2009038730A1 (en) 2007-09-19 2008-09-18 Absorbent sheet incorporating regenerated cellulose microfiber

Country Status (4)

Country Link
US (1) US8187421B2 (US08187421-20120529-C00001.png)
EP (1) EP2191066B1 (US08187421-20120529-C00001.png)
CA (1) CA2707392C (US08187421-20120529-C00001.png)
WO (1) WO2009038730A1 (US08187421-20120529-C00001.png)

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US20110265965A1 (en) * 2006-03-21 2011-11-03 Georgia-Pacific Consumer Products Lp Absorbent Sheet Having Regenerated Cellulose Microfiber Network
US20120021178A1 (en) * 2009-01-28 2012-01-26 Miller Joseph H Belt-creped, variable local basis weight multi-ply sheet with cellulose microfiber prepared with perforated polymeric belt
US8177938B2 (en) 2007-01-19 2012-05-15 Georgia-Pacific Consumer Products Lp Method of making regenerated cellulose microfibers and absorbent products incorporating same
US8187421B2 (en) 2006-03-21 2012-05-29 Georgia-Pacific Consumer Products Lp Absorbent sheet incorporating regenerated cellulose microfiber
US8187422B2 (en) * 2006-03-21 2012-05-29 Georgia-Pacific Consumer Products Lp Disposable cellulosic wiper
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WO2013016311A1 (en) * 2011-07-28 2013-01-31 Georgia-Pacific Consumer Products Lp High softness, high durability bath tissue incorporating high lignin eucalyptus fiber
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CA2707392C (en) 2017-07-11
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