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MeadWestvaco Corporation Patents
Assignee:
MeadWestvaco Corporation
Address:
Stamford, CT
No. of patents:
250
Patents:


1 2 3 4 5










Patent Number Title Of Patent Date Issued
6932534 Notebook with pouch cover August 23, 2005
A notebook including a stack of papers and a pouch having generally the same size and shape in top view as the stack of papers, the pouch including an inner cavity in which loose objects can be stored. The notebook further includes a binding mechanism binding the stack of papers and
6913149 Unit dose packaging system with molded locking feature July 5, 2005
A unit dose package formed from the combination of a flexible portion, preferably of paperboard, which houses unit dose materials, and a rigid molded plastic locking mechanism comprising a child resistant trigger release mechanism.
6891629 Method and apparatus for detecting a substrate feature May 10, 2005
The invention is directed to a method and apparatus for detecting a substrate feature. A sensor is secured opposite the substrate. The sensor emits a signal onto the surface of the substrate. The sensor detects the amount of signal reflected from the substrate. The sensor is programmed
6886687 Compact disk package and method of assembling same May 3, 2005
A storage package for a recording medium configured to resemble a book includes a paper board panel releasably attached to first and second plastic, recording medium-holding components, each including a planar surface having means on one face for holding a recording. Upstanding wall
6866183 Adjustable envelope March 15, 2005
The invention teaches an envelope with an adjustable dimension to accommodate inserts of varying size.
6863175 Locking container March 8, 2005
A locking container has a tray with sidewalls, a shelf and a bottom with an elongated opening. A sliding lock and a spring are formed in the bottom opening. A lock flap is hinged to the shelf. A cover has a base glued to the tray bottom, a spine end and a top panel. A latch extension ext
6849681 Carboxylic acid-modified vinylic polymeric compositions February 1, 2005
This invention relates to novel carboxylic acid-modified vinylic polymeric compositions and the process for preparing them. In particular, the invention relates to novel carboxylic acid-modified vinylic polymeric compositions which exhibit properties that make them useful as support
6801130 Inventory management system October 5, 2004
The invention provides an improved inventory management and theft detection system whereby by a security tag is placed on an article for sale. The security tag is affixed to the article so that the article cannot be opened when the security tag is in place. A device to remove the securit
6773195 Notebook with portfolio cover August 10, 2004
A notebook including a plurality of sheets of paper, a binding mechanism binding the plurality of sheets together; and a cover bound to the plurality of sheets of paper by the binding mechanism. The cover includes first and second opposed panels coupled together and having a hinge line
6767638 Core-shell polymeric compositions July 27, 2004
This invention concerns cationic core-shell particles having a polymeric core component and a polymeric shell component disposed generally about said core, wherein said shell contains a stabilizer that is covalently bonded to the polymeric shell component. More particularly, the inventio
6767152 Binder with end pocket July 27, 2004
A binder including a front cover, a rear cover directly or indirectly coupled to the front cover, and a gusset extending generally between the front and rear covers. The pocket further includes a pocket located on an outer surface of the binder, the pocket at least partially overlapping
6756129 Polymer blend compositions June 29, 2004
This invention relates to polymer blend compositions and the process for preparing the same. In particular, the invention relates to novel blends of cationic polymers and anionic polymers which exhibit properties that make them useful as coatings for various substrates.
6752272 Unit dose packaging system with exterior pocket feature June 22, 2004
A two-piece package for housing and dispensing a unit dose product. The product to be dispensed is contained on an internal slide card that is removably and lockably engaged within an outer sleeve. The package sleeve includes an exterior panel having an inner pocket for accommodating an
6749551 Resealable container with magnetic closure system June 15, 2004
A container body with a container opening and a flap partially secured to the container body and completely covering the container opening is disclosed. The flap is secured to the container by a hinge or fold line and formed from the same substrate as the container body. The container
6743514 Radiation-curable coating for ink jet printing June 1, 2004
This invention pertains to radiation-curable aqueous compositions comprising a mixture of water-reducible oligomer, monomer, and water-insoluble cationically-modified latex. More particularly, the invention pertains to radiation-curable aqueous compositions that are suitable for use
6739785 Extended width notebook system May 25, 2004
A notebook including a plurality of sheets, each sheet having a width, an inner edge and a tear guide line that extends generally parallel to and spaced apart from an inner edge of the sheet. The notebook further includes at least one divider pocket having a pocket having a width sub
6739784 Binder, notebook or portfolio with cover retaining mechanism May 25, 2004
A binder, notebook or portfolio including a body having a front cover and a rear cover pivotally joined together and a retaining mechanism located on an outer surface of the body. The retaining mechanism includes a pair of panels coupled to the body, the panels being releasably attachabl
6739754 Storage pouch with retention net May 25, 2004
A pouch for receiving loose items comprising a body having an outer surface and an inner cavity and a cord located on the outer surface for trapping loose items between the cord and the outer surface. The pouch further includes a stiffening element extending substantially about the perim
6734280 Rosin-fatty acid vinylic polyamide polymer resins May 11, 2004
This invention concerns novel rosin-fatty acid vinylic polyamide polymer resin compositions and the process for preparing them. More particularly, the invention concerns novel rosin-fatty acid vinylic polyamide graft polymer compositions that exhibit properties that make them useful as
6733627 Method for manufacturing paper having variable characteristics May 11, 2004
A method for manufacturing paper having a variable characteristic in a crossmachine direction including the steps of feeding a slurry to a distributor and delivering the slurry from the distributor to a headbox through a plurality of delivery lines. The delivery lines are coupled to
6729790 Divider pocket May 4, 2004
A divider for use in a binder having a binding mechanism, the divider including a generally rigid inner portion shaped to be coupled to the binding mechanism. The divider further includes a pocket outer portion, the outer portion being coupled to the inner portion and including an in
6726810 Apparatus for smoothening a paper web before coating April 27, 2004
A paper web is smoothened by passing the web through a pre-calender device on a paper machine before the application of a coating. The pre-calender device comprises at least one pair of steel rolls, one of which is heated, and a liquid application device which applies a thin film of wate
6723200 Method for releasing laminated materials April 20, 2004
This invention relates to an improvement in the art of making high pressure laminated materials utilizing saturating kraft paper. More particularly, the invention relates to release sheets coated with an aqueous polymeric composition which makes the sheets useful in the production of hea
6716314 Method for making improved abrasion resistant overlays April 6, 2004
A method for forming an abrasion resistant sheet which comprises forming a web of cellulosic fibers on a papermaking machine and applying a slurry including an encapsulated abrasion-resistant grit to the upper surface of the web on the papermaking machine.
6713548 Waterborne polymer compositions March 30, 2004
This invention relates to waterborne polymer compositions and their applications. More particularly, the invention relates to the utilization of water-dispersible polymers and fatty acid as surface-active agents in emulsion polymerization reactions to produce waterborne polymer compo
6710861 Method and apparatus for measuring web strain in a confined area March 23, 2004
This invention is directed to a method and apparatus for the measurement of web strain in a confined area. The apparatus comprises a fiber optic scope means and a fiber optic tube means operatively connected to the fiber optic scope means. The fiber optic scope means is secured inside th
6706194 Method for removal of chloramines from drinking water March 16, 2004
This application discloses a method for enhanced removal of chloramines from a fluid media by contacting said media with a catalytic activated carbon. The catalytic activated carbons used in the present invention may be prepared from carbon materials that have been contacted or otherwise
6705793 Binder with hole punch March 16, 2004
A binder for receiving and retaining loose leaf papers comprising a cover, a binding mechanism coupled to the cover, and a hole punch coupled to the cover. The hole punch is configured to punch a set of holes in a sheet of paper such that the binding mechanism can be received through the
6699393 Method for removal of chloramines from drinking water March 2, 2004
This application discloses a method for enhanced removal of chloramines from a fluid media by contacting said media with a catalytic activated carbon. The catalytic activated carbons used in the present invention may be prepared from carbon materials that have been contacted or otherwise
6696384 Method of making shaped activated carbon February 24, 2004
A new shaped activated carbon and the method of its manufacture are disclosed. The invention resides in the crosslinking of a polymeric cellulose, such as sodium carboxymethylcellulose (CMC), within the carbon bodies after they are shaped, employing the CMC as a binder for the activa
6695519 Double portfolio February 24, 2004
A portfolio assembly including a first portfolio including a pair of opposed panels with a hinge line extending therebetween and a second portfolio including a pair of opposed panels with a hinge line extending therebetween. The first and second portfolios are directly coupled togeth
6689837 Hybrid polymers for phase change ink jet inks February 10, 2004
Phase change (hot melt) ink compositions for use in a phase change (hot melt) ink jet recording device in which recording is conducted by thermally melting the ink at a temperature above ambient temperature (20.degree. C.) to provide prints that possess high quality images, scratch r
6688515 Bagless container with reclosable fitment February 10, 2004
A reclosable locking container and method for packaging dry materials, comprising a box formed from a foldable substrate and a molded reclosable, locking fitment, said fitment being lockable in the open or closed position. The container of the invention may be adapted to provide barrier
6682931 Recovering cryopreserved conifer embryogenic cultures January 27, 2004
This invention relates to a method for improving the growth and regeneration potential of embryogenic cell and tissue cultures of coniferous plants retrieved from cryopreservation. In particular, this invention relates to the use of abscisic acid in the post-cryopreservation recovery
6672785 Insert for a coil bound notebook January 6, 2004
An insert for being coupled to coil, the insert comprising a piece of sheet-like material having an inner edge and a plurality of wings. Each wing has a central stem extending outwardly from the inner edge and a pair of tip portions located on opposed sides of the central stem. Each tip
6666610 Folder December 23, 2003
A folder for receiving papers including a first side panel including a recess formed in an edge thereof, and a first lower panel facing the side panel. The first side panel and the first lower panel are joined to form a pocket therebetween, and the recess is located adjacent an open end
6639004 Method for making odor sorbing packaging material October 28, 2003
An odor sorbing packaging material is prepared by applying to at least one surface of a flexible substrate an odor absorbing coating containing an effective concentration of activated carbon. The packaging material may be converted into packages, bags, pouches, liner members, wrappers or
6626601 Storage pouch having attachment loops September 30, 2003
A storage pouch has a pouch body and a cord. The pouch body encloses an interior cavity and has an opening in communication with the interior cavity. The cord is attached to the pouch body and has variable-size first and second loops located outside the pouch body, wherein increasing the
6617362 Method of making cationic pigment slurries September 9, 2003
Cationically dispersed slurries of alumina pigments, which formed by a process including the combination of one or more alumina pigments, a nonionic wetting agent or nonionic polymer and a cationic interfacial modifier in an aqueous medium in the absence of an acid dispersant. The sl
6616981 Ink-jet printing method September 9, 2003
A cationic, water-soluble polymer is disclosed as a substrate treatment resin (i.e., coating) to improve color-fastness and adhesion of an ink-jet ink printed onto the substrate. More particularly, a 50% solids aqueous solution of a cationic acrylic resin is provided as the printed subst
6582769 Method for conditioning a metering blade June 24, 2003
A method for conditioning a metering blade of a paper coating machine. The method includes the steps of providing a paper coating machine having at least one metering blade and passing a movable substrate through the paper coating machine such that the metering blade contacts the substra
6573212 Method of making shaped activated carbon June 3, 2003
A new shaped activated carbon and the method of its manufacture are disclosed. The invention resides in the crosslinking of a polymeric cellulose, such as sodium carboxymethylcellulose (CMC), within the carbon bodies after they are shaped, employing the CMC as a binder for the activa
6572969 Core shell polymeric compositions June 3, 2003
This invention concerns cationic core-shell particles having a polymeric core component and a polymeric shell component disposed generally about said core, wherein said shell contains a stabilizer that is covalently bonded to the polymeric shell component. More particularly, the inventio
6569493 Method of repairing a paper machine dryer journal moisture barrier May 27, 2003
This invention relates to a method of repairing a moisture barrier separating a paper machine dryer drum from the dryer journal. Such processes of this type, generally, involve filling the cavity between the dryer drum steam intake pipe and the dryer journal with a flowable moisture
6550361 Platen die cutting monitoring system April 22, 2003
This invention relates to the monitoring of platen die cutting. Such structures of this type, generally, periodically examine the force profiles from a strain gage mounted near the platen die cutter mouth. This system measures not only the maximum forces developed, but also monitors
6540877 Internal paper sizing improvements April 1, 2003
An improvement is disclosed over conventional internal sizing of stock furnish for papermaking, wherein alum is added to the thick paper stock and the long retention time permits complete reaction with the fibers. The invention process permits successfully adding novel aluminum rosinate
6540862 Method and apparatus for enhancing film adhesion when extruding polyethylene terephthalate onto April 1, 2003
This invention relates to the extrusion coating of polyethylene terephthalate (PET) onto paperboard. Such structures of this type, generally, provide an enhanced film adhesion of the PET onto the paperboard, while reducing the coat weights of the PET.
6540815 Method for reducing emissions from evaporative emissions control systems April 1, 2003
Disclosed is a method for sharply reducing diurnal breathing loss emissions from automotive evaporative emissions control systems by providing multiple layers, or stages, of adsorbents. On the fuel source-side of an emissions control system canister, high working capacity carbons are
6531183 Method of producing high gloss paper March 11, 2003
A method of forming a finished paper having high gloss while maintaining high bulk, comprising applying on a surface of a base stock at least one layer of a coating formulation comprising a particulate plastic pigment; and passing the base stock through a multi-nip calender device mainta
6468395 Basecoated substrate for an inkjet recording sheet October 22, 2002
The inkjet recording sheet substrate of the present invention comprises a cellulosic sheet support, e.g., paper, having on at least one surface thereof a base coating comprising pigment and binder. The preferred pigment component is a 50/50 mixture of kaolin clay and calcined clay, and
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